AQUACHEK 6-In-1 Spa Test Strip 50 Count 552244 Disposable-Respirators This firestop sealant offers a

This firestop sealant offers a continuous seal with ± 19% movement capability for construction joints and typical pipe movement and exhibits excellent adhesion to a full range of construction substrates

50 Strips/Bottle

Keep supplies in your automotive shop

as described below

The replacement filter works with Dolphin S300i

AQUACHEK 6-In-1 Spa Test Strip 50 Count 552244 Disposable-Respirators This firestop sealant offers aMaintaining important spa chemicals is easier and more accurate with the AquaChek 6 in 1 test strips designed specifically for use in spas. Spas have higher temperatures, lower water volume and faster chemical reactions compared to pools, and these test strips deliver quick, accurate readings for bromine or chlorine, pH, total alkalinity and water hardness in your spa. Package contains 50 replacement test strips Helps maintain proper chemical levels