TruTest Test Strips - 50 Strips fitting-type_Ell - 45 Degree Grosfillex uses the most advanced

Grosfillex uses the most advanced ultra-violet light stabilizers to resist discoloration by the sunlight

or tangling

The lettering is 4 inch and 1

445 inches

TruTest Test Strips - 50 Strips fitting-type_Ell - 45 Degree Grosfillex uses the most advancedThis bottle of 50 AquaChek TruTest Test Strips is designed for the Hach AquaChek Digital Test Strip Reader. The AquaChek Reader is the quick and easy way to test pool water! No more vials, reagents and messy drops. Simply dip the strip in your pool or spa, and then use your handy TruTest Digital Test Strip Reader to read the results. No visual color matching required. Eliminate the guesswork with these handy digital test strips!