Spa Filter - 4CH-21 Replacement Spa Filter 20 sq/ft

GUARDIAN SPA FILTER - 4CH-21 - REPLACEMENT FILTER 20 SQ/ FT

4CH-21 Replacement Filter 20 sq ft

Guardian Pool Filter Replaces Unicel 4CH-21, Pleatco PTL18P4-4, Filbur FC-0121 Filter Cartridge for Swimming Pool and Spa

Keep your water sparkling clean with top of the line pool/hot tub filters. This cloth filter traps micro particles ensuring sparkling clean water.

4CH-21 In-line Cartridge - Used by many manufactures from Alcove, Altera, DM Industies, Dream Maker Spas, Maax Spas of AZ, Pagent Spas, Saratoga Spas, Vita Spas and many more!

Features

• Outside Diameter: 4 5/8"
• Length: 8"
• Media Weight - 3 oz.
• SQ FT Media - 20'
• Unicel - 4CH-21
• Filbur - FC-0121 FC0121
• Pleatco - PTL18P4-4

Will work with other manufactures filters including: 03FIL1300, 17-2482, 303557, 817-3501, R173432, 17-3432, PRB 35IN3, DSF-35

With Advanced Free Flow Core for better cleaning

NOTE: Filters should be replaced once every 6 months to ensure max flow through rate.

This unit is brand new and is for the 20 sq ft filter cartridge. Filter housing canister is sold separately.