Aquachek Red 4-In-1 Test Strips, 50 Strips | 521252A FG1006 Length 29 1/16" Outer Diameter

Length 29 1/16" Outer Diameter 7 1/2" Top Inner Diameter N/A Bottom Inner Diameter 2 5/8" Material 4 oz

confirm your filter uses a 7 full + 1 partial grid layout and that your existing grids measure 12" × 11"

Please check your ladder or rail

the PIN20 delivers consistent pore structure and dimensional stability throughout its service life — resisting channeling and maintaining reliable dirt capture with every filtration cycle

Owning a pool with a variable speed motor is more affordable and better for the environment

Aquachek Red 4-In-1 Test Strips, 50 Strips | 521252A FG1006 Length 29 1/16" Outer DiameterAquaChek Red 4 in 1 Test Strips, 50 test strips Tests for Total Bromine, pH, Total Alkalinity and Total Hardness Provides Test Results in seconds! To keep your pool at its best, test at each end at least twice a week, and test your spa before each use. Comes with complete instructions in multiple languages