Dual Range QAC Test Strip, Low Range: 0, 10, 20, 40, 80, High Range: 0, 100, 200, 400, 800, Applications: Food and Beverage, Laundry and Sanitation, Industrial Water Boiling and Cooling, Water and Wastewater, Chem
Fluval Gravel Vac Multi-Substrate Cleaner-Small/Medium, Features: Effectively traps dirt and debris, Tube extension included for larger tanks and hard to reach areas, Use in freshwater and saltwater aquariums, Thumb-
Premium Ultra-Clean* Pure Aluminum Foil. Strong And Puncture Resistant. Can Withstand Extreme Heat And Cold And Has The Lowest Moisture-Vapor Transfer Rate Of All Wrapping Materials. Metal Tear-Off Bar For Ease In Achieving The Exact Size Needed. 12 In X 25 Feet.