Flexible Concrete Vacuum Head - 12 Inch - 1-1/2 Inch Hose gallons-per-minute_60-69 This is a Drop Test

This is a Drop Test Acidity of Hydrochloric/Muriatic Acid Neutralization Test Kit

Sodium Carbonate is normally used

FlowVis is the most advanced

The 16 Foot Commercial Frontier III diving board in radiant white with matching white anti-slip treads has a durable acrylic outer body and is designed specifically for moderate use on commercial pools

Flexible Concrete Vacuum Head - 12 Inch - 1-1/2 Inch Hose gallons-per-minute_60-69 This is a Drop TestThis is a 12 inch flexible vacuum head from Pentair, Rainbow #188, for concrete pools. It has rugged polyethylene housing and features enclosed weights and adjustable solid molded wheels. It has a snap adapt handle and accommodates a standard 1 1 2 inch hose.