Type of Product: Test Strips
Manufacturer: Insta Test
Dimensions: Length: 85mm  Diameter: 40mm
Fits With: Any spa, hot tub or pool
Additional Notes:

50 Free Chlorine, Bromine, Alkalinity, pH and Hardness Tester.

How to use - Immerse Strip, Swirl 3 Times, Remove With Pads Face Up, Do not Shake Off Excess Water. Keep Wet Fingers Out of The Bottle.

Insta 4 way test strips