National Hardware Solid Flats 1/4" Thick 1-1/2 x 48" Size:1-1/2 x 48" use HTH® 6-Way Test Strips

use HTH® 6-Way Test Strips twice weekly to test and balance your swimming pool water and keep chlorine levels between 1 and 4 ppm

Does not include case

Features: Low profile cap is easy to clean and won't pop off No-cut bolts with top down installation Installation guides make setting the toilet bowl easy Locking flange nut won't spin or tip over during installation

Adjusts To Corre-Count Gate Sag

Single test/silence button

National Hardware Solid Flats 1/4" Thick 1-1/2 x 48" Size:1-1/2 x 48" use HTH® 6-Way Test StripsNational Hardware's 1 1 2" x 48" Solid Flat is designed as supports for construction or industrial applications. Made from hot rolled plain steel for durability. Excellent forming and welding characteristics For exterior applications Meets ASTM Specification A36 Not suitable for applications involving heat treating, forging or cold drawing.