Top 10 HOT TUB Filter 303279 – Pool & Spa Replacement Parts

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1. Cryspool

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1 Pack, Free Flow and Lifesmart Hot Tub Filter, FC-2402, 1 1/2" Finer Thread, Cryspool Spa Filter Compatible with Watkins 303279

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Cryspool #ad - It makes water filtration more thoroughly and service life longer. And we are equipped with professional service to provide technical support for every customer. Cutting-edge technologies make the capacity higher than common point-bond fabric.

Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. Compatible models compatible with watkins 303279, 78460, filbur fc-2402, pff42tc-P4, Free Flow and Lifesmart Hot Tub Filter. It’s recommended that you clean cartridges every 2 weeks to take full advantage of its performance.

Sizelength: 9 1/2"not 6 inch; outside diameter: 5 3/8"; top: Closed with String Handle; Bottom: 1 1/2" MPT Thread. Qualified materialthe advanced material of trilbal fibers is utilized. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products.
BrandCryspool #ad
ManufacturerCryspool #ad

2. POOLPURE

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POOLPURE FC-2402 Spa Filter Replaces Watkins 303279, Free Flow and Lifesmart Hot Tub Filter, 78460, SD-01322, PFF42TC-P4, 2 Pack, 1 1/2" MPT Thread Fine Thread

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POOLPURE #ad - Nsf/ansi 50 certified poolpure pool and spa filter is tested and certified by IAPMO against NSF/ANSI 50 Compatible models length: 9 3/8"; outside diameter: 5 1/4"; top: closed with string handle; bottom: 1 1/2" mpt threaded. 100% money-back guaranteesix-months return policy guaranteed! product life time warranty on every filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life.

Note: all trademark remain the property of their respective holders and are used for compatibility information only. Poolpure is an independent brand. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles. We are committed to providing the best quality at good price.

Enjoy clean leisure time in your spa and hot tub. This filter lasts for 1-2 years when proper maintenance is performed. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Powerful filtration performance innovated "dirt-locking" technology make the fabric traps much more contaminants than regular fabric. Plffc-2402 spa filter compatible watkins 303279, pff42tc-p4, act-50sqfLTR, 78460, filbur FC-2402, LSX1057. It is also easy to wash/clean to recondition the filter.
BrandPOOLPURE #ad
ManufacturerPoolpure #ad
Part NumberPLFFC-2402

3. Cryspool

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1 1/2" Finer Thread, Free Flow and Lifesmart Hot Tub Filter, Cryspool MPT-Thread Spa Filter Replaces Watkins 303279not 303263, 2 Pack, FC-2402

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Cryspool #ad - And we are equipped with professional service to provide technical support for every customer. It’s recommended that you clean cartridges every 2 weeks to take full advantage of its performance. Cutting-edge technologies make the capacity higher than common point-bond fabric.

It makes water filtration more thoroughly and service life longer. Compatible modelscompatible with watkins 303279, filbur FC-2402, 78460, pff42tc-p4, Free Flow and Lifesmart Hot Tub Filter. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products.

Qualified materialthe advanced material of trilbal fibers is utilized. Sizelength: 9 1/2"not 6 inch ; outside diameter: 5 3/8"; top: Closed with String Handle; Bottom: 1 1/2" MPT Thread. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning.
BrandCryspool #ad
ManufacturerCryspool #ad

4. Smart Spa Supply

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Smart Spa Supply HSAK-4031-2 2 Pack-Hot Springs Freeflow Spa Replacement Filter-303279, White and Blue

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Smart Spa Supply #ad - This filter is designed to fit the following spas: free flow emerald 2012, free flow tri star 2009-2015, free flow rlx 2005-2008, free flow cascina 2013-2015, free flow clx 2005-2008, free flow passport 2005-2011, free flow crossfire 2006-2008, free flow monterey 2012-2015, free flow excursion 2007-2015, free flow legend 2005-2008, free flow Mini 2015, free flow azure 2009-2015, free flow accent 2006-2014, free flow solstice 2006-2014, free flow tlx 2005-2008, free flow slx 2007-2008.

No matter the model of your spa or hot tub, or when it was made - it's important that you regularly change your filter to prevent build-up. Spa filters regulate the water that enters your spa and keep debris, dirt, and other items from floating into the pipes and damaging the pump and inner workings of your hot tub.

2 pack - part number: 303279. 5 1/4" outside diameter x 9 3/8" long with closed top with string handle & 1 1/2" MPT standard threads. Choose from our selection of hot tub filters to find the right replacement hot tub filter for your spa - at the right price! Hot spring spa filters are a vital part of any spa system.
BrandSmart Spa Supply #ad
ManufacturerSmart Spa Supply #ad
Height10 Inches
Length5.25 Inches
Weight1.36 Pounds
Width10.5 Inches
Part NumberHSAK-4031-2
ModelHSAK-4031-2

5. Smart Spa Supply

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Smart Spa Supply 42 Sq Foot Hot Springs Freeflow Spa Replacement Filter-303279, White

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Smart Spa Supply #ad - Easy to remove cord - the cord is easy to remove and transport, so you can quickly replace the filter cartridge when needed. Compatible with most spa models - This filter cartridge is designed to work with most Hot Springs Spa models.

Compatible with hot springs spas by Smart Spa Supply - this filter is a must-have for anyone who wants to keep their spa in perfect condition. Dimensions - 5. 25 x 5. 25 x 9. 5 inches WxDxH. Please check compatibility before purchase. Replacement filter cartridge - keep your spa looking and running like new with this replacement filter cartridge. Removes even tiny particles of debris that can damage spa and hot tub pumps, so you can relax and enjoy your soak worry-free.
BrandSmart Spa Supply #ad
ManufacturerSmart Spa Supply #ad
Height9.5 Inches
Length5.25 Inches
Width5.25 Inches
Part Number303279
Model303279

6. Ketofa

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2 Packs, 1 1/2" MPT Thread Fine Thread Filters, Ketofa FC-2402 Spa Filter, Replacement Filter 303279 Compatible with Watkins PFF42TC-P4 78460 SD-01322 5CH-37 Free Flow Spa Hot Tub Filter

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Ketofa #ad - Part number--the filter replaces for freeflow 2013, act-50sqfltr, lsx1057. The product is not sponsored or endorsed by, 5ch-37, free flow, 78460, PFF50P, or affiliated with the brands it fit, Filbur FC-2402, Aquaterra Spas - current. Dimension-- length: 9 3/8"; outside diameter: 5 1/4" ; bottom: 1 1/2" MPT Threaded.

Powerful filtering ability-- more cartridge pleats mean improved filtering capacity. Triple laminated poly-constructed inner scrim is topped by a premium weather resistant top coating, Break resistant keeping the pleats crisp, clearly defined and evenly separated. Moreover our filter use Extruded PVC Center Cores because of their superior strength and even distribution of water. Compatible with following: pff42tc-p4, Watkins 303279, Aquaterra, including Watkins, Filbur.

More durable material--the filter made of high quality 100% polyester material. The heavy-duty polyester makes the cartridge capable of lasting longer than cheaper alternatives. Advantage:ketofa's spa filter can deliver lower pressure and higher flow rates, moreover while using less energy than other filter cartridges, so it ensures a longer life of the product, creates less wear and tear on the pump, but at the same time to achieve the best flow and filtration effect. Material area:40 sq feet, Material Weight 3 oz/yd2.
BrandKetofa #ad
ManufacturerFC-2402 Spa Filter #ad

7. EXCELFU

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78460, FC-2402, SD-01322, 1 1/2" MPT Thread Fine Thread, AquaTerra, Lifesmart, PFF42TC-P4, EXCELFU 2 Pack Spa Filter Hot Tub Filter Replacement for Watkins 303279, Freeflow Spas

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EXCELFU #ad - Buy with confidence: every spa filter is backed by six-months return policy warranty! We also provide Life Time Warranty for filter which confirmed with defects in material within it's 12-Month service life. Reliable pool filter: our spa filter is made of lead-free and BPA free material, provide your family a health and safe spa time.

Length:9 3/8", filbur fc-2402, top:closed with string handle, outside diameter:5 1/4", lifesmart, 78460, lsx1057, PFF42TC-P4, SD-01322, ACT-50SQFLTR, Bottom:1 1/2" MPT threaded. If you have any question about the product, just contact with us and our professional Customer Service and Technical Support will help you. Premium pleated fabric and reinforced end caps resistant to chemicals in pool and spa, prolonging the life of the cartridge structure. Compatible models: excelfu spa filter compatible with watkins 303279, aquaterra and free flow hot tub. Reusable & easy to clean: the advanced trilobal fabric increase water flow rate which make it much easier to clean the impurities of filter pleats and give the hot tub filter new life and superior filtration again.

Our replacement filter can be used repeatedly and lasts 1-2 years with proper maintenance. Note: the use of the above trademarks herein is for informational purposes only. Premium filtering performance: advanced dirt-capture technology allows capture more particles, leaves, dust, sand and other contaminants per gallon of water pumped than regular fabric, sediment, hair, which reduce wear and tear on pump and keep clean & healthy water quality in your spa and hot tub all the time.
BrandEXCELFU #ad
ManufacturerYUNDA H&H TECH (TIANJIN) CO., LTD. #ad

8. Unicel

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Unicel 5CH-37 Replacement 5.3 x 9 Inch Swimming Pool Hot Tub Spa Filter Cartridge for Aquaterra 303279 Spa Filter

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Unicel #ad - Filter media: features fine filter media with 221 pleats that can cover up to 37. 5 square feet. End caps: features 1-1/2-inch male thread and MPT end cap and a bar handle top. Dimensions: measure 5-5/16 inches in diameter and 9 inches tall. Compatible filters: Replaces the Aquaterra spas 303279 filter cartridge. Clean and clear: Keep your spa water clean with this replacement filter cartridge.
BrandUnicel #ad
ManufacturerUnicel #ad
Height26 Inches
Length13 Inches
Width13 Inches
Part Number5CH-37
Model5CH-37

9. MOAJ

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78460, Unicel 5CH-37, 1 1/2'' MPT Fine Thread 40 sq. Feet, MOAJ Advanced Filter Cartridge Replaces Watkins 303279, PFF42TC-P4, Free Flow & Lifesmart Hot Tub Filters, White, Filbur FC-2402, SD-01322

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MOAJ #ad - Outside diameter: 5 1/4”. You can rest assured knowing that moaj filters will purify your water to provide the SAFEST and CLEANEST swimming environment possible! NO MORE GREEN. Filter length: 9 3/8". Moaj is an independent brand. Top cap: closed. Peak performance } moaj advanced “dirt-locking technology" captures more contaminants than other filters on the market.

Nsf/ansi 50 certified } our pool and spa filters are 100% tested and certified by iapmo to surpass nsf/ansi 50 standards. Our cartridges efficiently remove hair, sand, sediment, leaves, dust, and much more! Relax and enjoy your clean and clear pool. Longer lasting } our filter cartridges are engineered for a prolonged life cycle, featuring a durable and washable pleated fabric that maintains superior strength even when loaded with sediment! Our super high-flow cores are designed to support the filter while also providing excellent flow rates. Note: this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only.

Fitment: freeflow / fantasy / aquaterra spas, watkins 303279, pff42TC-P4, LifeSmart LSX1057, Unicel 5CH-37, Filbur FC-2402. Bottom cap: 1 1/2" male mpt. 100% money-back / exchange guarantee } we stand behind our products and are proud to provide our shoppers with the best level of protection on their purchases. We are here to serve your pool and spa needs for a lifetime, so you can rest easy knowing we offer a full 6-Month, hassle-free refund & exchange program! Compatibility } filtration area: 45 sq ft.
BrandMOAJ #ad
ManufacturerMOAJ #ad
Height9.38 Inches
Length5.25 Inches
Weight1.75 Pounds
Width5.25 Inches
Part NumberMJ2402A
ModelMJ2402A

10. Guardian Filtration Products

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Guardian Filtration Products Pool Spa Filter 2 Pack Replaces- PLEATCO PTL18P4 Dream Maker Gatsby SPA unicel 4CH-21 HOT TUB Cartridge filbur FC-0136

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Guardian Filtration Products #ad - We're committed to creating affordable, high quality pool filtration products and accessories. Click add-to-cart or 1-click Buy to order your pool/spa filter cartridge today! Our premium filter material keeps your water clearer and is easier to clean.

Dimensions - diameter: 4 5/8" length: 8" top: Handle Bottom: 1 1/2" MPT male Threaded. Multi pack savings - choose from our value savings single, double or 4 pack filter bundle. Usa manufacturer - our usa based manufacturing facility has been operating out of Northwest Pennsylvania since 2003. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

Easy to clean - guardian filtration products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family. Replacement filter - get purer, unicel: 4ch-21, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco: PTL18P4-4, Filbur: FC-0121. See alternate filter names below.
BrandGuardian Filtration Products #ad
ManufacturerGuardian Filtration Products #ad
Height3.58 Inches
Length1.81 Inches
Weight1.6 Pounds
Width3.5 Inches
Part Number4H8-158
Model4H8-158