Categories
-
Accessories
- Booster Seat Cushions
- Cover Caps & Cover Savers for Cover Lifts
- Filter Cleaning Tools
- Floating Chemical Dispensers
- Fragrance Holders
- Glassware, Drink Trays & Spa Caddies
- Hand Rails & Towel Bars
- LED Lights, Light Bulbs, Lens Covers & LED Toys
- Mineral Cartridges (Spa Mineral Purifiers)
- Pillows
- Pre-Filters (for filling hot tubs)
- Quick Drain, Pump Marvel & Spa Vacuums
- Scum Absorbers
- Steps for Hot Tubs
- Thermometers & Wireless Temperature Monitors
- Test Kits, Test Strips & Refills
- Wifi Connect - Operate Spa Via Internet
- Chemicals
- Control Systems (Spa Packs)
- Cover Removers
-
Filters (Pleated)
-
Filters by Diameter (Width)
- Filters 2" to 2-15/16" Diameter (Width)
- Filters 3" to 3-15/16" Diameter (Width)
- Filters 4" to 5" Diameter (Width)
- Filters 5-1/8" to 5-15/16" Diameter (Width)
- Filters 6" to 6-15/16" Diameter (Width)
- Filters 7" to 7-15/16" Diameter (Width)
- Filters 8" to 8-15/16" Diameter (Width)
- Filters 9" and Larger Diameter (Width)
-
Filters by Hot Tub Brand
- @Home Hot Tubs
- Aber Hot Tubs
- Accent Spas
- Acryx-Maax Spas
- Addison Spas
- Advanced Spa Design
- Advantage Mfg & Advantage Spa
- After Hours Spas (see Hydro Spa)
- Alcove Hot Tubs
- Alps Spas
- American Classic Spas
- American Products (also see Pentair)
- American Spas
- Amish Country Hot Tubs
- Apollo Spas
- Aqua Leisure Spas
- Aqua Mystic Spas
- Aqua Spa (see Master Spas)
- Aquasports
- Aqua Tech Spas
- Aquatemp
- Aquatic Industries
- Aquiform-Infinity Spas
- Arcadia Spas
- Arctic Spas
- Aries Spas
- Arizona Pacific (see Diamond Back Spas)
- Artesian Spas
- Aruba Spas (see Crystal Waters)
- Associated Leisure Products (see Alps Spas)
- Filters for Astral Spas
- Atera Spas (Four Seasons Home Resort Products)
- Atlantic Pool Products (see Jacuzzi Brothers)
- Baja Spas
- Baker-Hydro Spas
- Barefoot Spas (see Hawkeye Spas)
- Beachcomber Hot Tubs
- Belize Spas
- Blue Falls (see Arctic Spas)
- Blue Pacific Spas
- Blue Ridge Spas (also see Gatsby Spas)
- Bullfrog Spas
- Cal Spas
- Caldera Spas
- California Cooperage (see Coleman Spas)
- Canadian Spa Company
- Canspa Manufacturing
- Cantar (see Jacuzzi Brothers)
- Caribbean Spas (see Catalina Spas)
- Catalina Spas
- Charisma Spas
- Clearwater Spas
- Clipper Spas
- Coast Mountain Spas
- Coast Spas
- Coleco
- Coleman Spas
- Columbia Spas
- Comfort Line Spas
- Competition Pool Products (see Jacuzzi Brothers)
- Conger Brothers (see Santanna)
- Crystal Waters (Ridgewood Enterprises)
- CTA Spas
- Custom Molded Products
- Dakota Spas
- Del Sol Spas
- Diamante Spas (see US Tooling)
- Diamond Back Spas
- Dimension One Spas
- Discovery Spas
- DM Industries (see Vita Spas)
- Dolphin Spas
- Doughboy Spas
- Down East Spas (see Master Spas)
- Dream Maker Spas
- Dynasty Spas
- Echo Series Spas (see Gatsby Spas)
- Elite Spas by Maax
- Emerald Spas
- Endless Pools
- Esther Williams
- Everyday Hot Tubs (see Marquis)
- Florida Whirlpool Spas
- Fountain Valley Spas
- Four Seasons Hot Tubs
- Four Winds Spas
- Fox Wal-Pak
- Freedom Spas
- Freeflow Spas
- Fort Wayne Spas (see Master Spas)
- Garden Leisure Spas
- Gatsby Spas
- General Foam Plastics Spas
- Gerico Spas
- Gold Key Spas
- GPM Industries (see Great Lakes)
- Great Lakes Spas
- Great Northern Eng. (see OpuSpas & Rubadub Tub)
- Grecian Spas
- Gulf Coast Spas
- H2O Spas
- Harmsco Spas
- Haughs Spas
- Haven Spas
- Hawkeye Spas
- Hayward Pool Products
- Heartland Spas
- Heldor Spas
- Hide Away Hot Tubs (see Marquis Spas)
- Hollibaugh Spas
- Honey Tubs
- Hot Spot Spas (also see Hot Spring)
- Hot Spring Spas
- Hydro Pool
- Hydro Spa
- Icon Spas
- Image Spas (see Icon Spas)
- Imperial Spas
- Infinity Spas of Tennessee
- Infinity Spas by Maax (see Acryx-Maax)
- Intex Recreation Pools
- Islander Spas
- J.E.M. Spas
- Jacuzzi Brothers
- Jacuzzi Leisure Products
- Jacuzzi Premium Spas
- Jacuzzi Whirlpool Bath
- Jandy
- Jetta Spas
- Krystal Clear Spas (see Intex)
- LA Spas (also see Advanced Spa Design)
- Legend Spas
- Leisure Bay Mfg. (see Rec Warehouse)
- Leisure Bay Spas
- Lifestyle Spas (also see Acryx-Maax)
- Lomart Pools & Spas
- Lowes Hot Tubs
- Lumi-O Spas
- Maax Spas (also see Coleman)
- Majestic Industries (see Artesian, J.E.M.)
- Marathon Spas
- Marquis Corporation (see Amish Country)
- Marquis Spas
- Martec Pacific (also see Sonfarrel)
- Master Spas
- Midwest Spas
- Millennium Spas
- Moonwater Spas
- Moose Mountain Spas
- Morgan Spas
- Mountain Meadows Spas
- Mountain Mist Spas
- Mountain Springs Spa
- Mountain Stream Spa
- Muskin
- Nahani Spas by Maax
- Nemco Spas
- Niagara Whirlpool (see Haughs)
- Nordic Hot Tubs
- Northwest Spas
- OpuSpas
- Orca Bay Spas
- Pac Fab (also see Pentair)
- Pacific Marquis Spas
- Pacific Spas by Aber (also see Aber)
- Pageant Spas
- Passion Spas
- PDC Spas
- Pentair Pool Products (also see American Products & Pac Fab)
- Phoenix Spas
- Porta Spas
- Premier Springwater
- Premium Leisure
- Purex Pool Products (see Pentair)
- QCA Spas
- Quantum Spas
- Rainbow Plastics
- Rec Warehouse
- Ridgewood Enterprises (see Crystal Waters)
- Rising Dragon
- River Valley Spas
- Rocky Mountain Spas
- Rogers Spas
- Romanesque Spas
- Royal Spas
- Rubadub Tub
- Safari Spas
- Santa Barbara Spas
- Santanna Spas and Pools
- Saratoga Spas
- Savannah Spas (see Acryx-Maax Spas)
- Seahorse Spas
- Sears (see Muskin)
- Seascape Spas
- Sequoia Design
- Serenity Spas (see Hydro Pool)
- Seven Seas Spas
- Sierra Spas
- Signature Spas
- Simple Set Pools (see Aqua Leisure)
- Softsider Spas
- Softub
- Sonfarrel (also see Martec Pacific)
- Sonoma Spas
- South Pacific Spas
- Southwest Spas
- Spa Crest Hot Tubs
- Spa Manufacturers Inc.
- Spa-In-A-Box
- Spas Direct (Stateside Spas)
- Speck Pumps
- Spillway Spas
- Splash Tub
- Sta-Rite
- Starlight Spas (see US Tooling)
- Statewood Spas (see Acryx-Maax Spas)
- Streamline Spas
- Strong Spas & Pools
- Sun Coast Spas
- Sun Ray Spas
- Sun West Spas
- Sunbelt Spas
- Suncountry Spas
- Sundance Spas
- Sunrise Spas
- Sunset Spas
- Superior Spas
- Swimquip (see Sta-Rite)
- T. Bahama Spas (see Southwest)
- Wet Set Pools (see Intex)
- Thermo Spas
- Tiara Spas
- Tiger River Spas (also see Hot Springs)
- Tuff Spas
- US Spas
- US Tooling & Spa
- Viking Spas
- Vita Spas
- Warm Springs Spa
- Waterco USA
- Waterpik (see Jandy)
- Waters Edge Spas
- Waterway Plastics
- Watkins (see Caldera, Hot Springs & Tiger River)
- Weslo Spas (see Icon)
- Wet Institute
- White Springs Spas
- Wild Water
- Wind River Spas
- Zone Spas
- Filters by Part Number
-
Filters by Diameter (Width)
- Filters (Disposable 1 Micron)
- Fragrances for Spas
- Gift Ideas to Spa Owners
- Ozonators & Ionizers
-
PARTS for Hot Tubs
- Air Buttons, Air Switches & Air Line Tubing
- Air Dials (Venturi Air Controls)
- Ball Valves and Knife Valves (Gate Valves)
- Bearings for Motors
- Blowers
- Circuit Boards
- Contactors & Relays
- Control Systems (Spa Packs)
- Cords (cables)
- Cover Lift Parts
- Filter Canisters Complete
- Filter Canister Parts (Rainbow & Waterway)
- Fix-a-Leak / Plast-Aid Acrylic and PVC Repair Kits
- Flow Switches
- Fuses
- GFCI Breakers
- Heater Elements & Heater Assemblies
- High Limit Sensors & Switches
- Hose Bibs (Used to Drain Water or Bleed Air)
- O-ring Lubricant
-
Jet Inserts & Jet Bodies
- Typhoon Jets (2" Face), CMP
- Typhoon Jets (3" and 3-5/16" Face), CMP
- Typhoon Jets (4" Face), CMP
- Typhoon Jets (5" Face), CMP
- Caged Freedom (Balboa/Hydro Air)
- Cyclone Micro Barrel, Pentair
- Rising Dragon Jets
- Cluster Storm Jets (2" Face Diameter), Waterway
- Mini Storm Jets (3" & 3-5/16" Face Diameter), Waterway
- Poly Storm Jets (3-3/8" & 4" Face Diameter), Waterway
- Power Storm Jets (5" & 5-1/4" Face Diameter), Waterway
- Mini Jets (2-9/16" & 3-3/16" Face Diameter), Waterway
- Poly Jets (3-3/8" & 4-3/16" Face Diameter), Waterway
- Ozonator Jets / Spa Cluster Jets, Waterway
- LED Lights, Light Bulbs & Spa Light Housings
- Manifolds
- Pressure Switches
- Pumps
- Pump Seal Kits (Shaft Seals)
- Pump Traps
-
Pump Parts
- Center Discharge Pump Parts, Waterway
- Executive 48 / 56 Pump Parts, Waterway
- Flo-Master FMHP / Circmaster CMHP Pump Parts, Aqua Flo
- Flo-Master XP2 Pump Parts, Aqua Flo
- Flo-Master XP2e Pump Parts, Aqua Flo
- Flo-Master XP3 Pump Parts, Aqua Flo
- Hi-Flo Pump Parts, Waterway
- Viper Pump Parts, Waterway
- Miscellaneous Pump Parts
- Pump Unions, Heater Unions & O-rings
- Pump Wet Ends
- PVC Fittings
- Split Nut Unions
- Strip Skimmers & Suctions
- Thermostats & Temperature Sensors
- Top Side Controls (Spa Keypads)
- Wifi Kits
- Pumps & Blowers
- Spa Covers
- Test Strips & Test Kits
- Toys & Fun Stuff
- Specials
Alcove Hot Tubs
Click here for instructions on how to measure your hot tub filter.
Items: 1 |
Items per page:
| SKU | Product name | Price | ||||
|---|---|---|---|---|---|---|
| 4CH-21 | 4CH-21 Filter (4-5/8" W, 8" L) by ProAqua |
|
