H-Series FD Header O-Ring Kit gallons-per-minute_225-249 This is a Pentair U9-365

This is a Pentair U9-365 70 Duro O-Ring for N674 Nitrile 70 Durometers

The Rola-Chem 554501 Digital pH Liquid Acid/ORP Liquid Chlorine Controller Package includes one 38 GPD and one 12 GPD Pro Series Peristaltic Pump for swimming pools up to 127

This is a Hayward Water Flow Pressure Switch used on Hayward HeatPro Heat Pumps

This bottle is tamper-resistant to ensure sterility of the solution

This is a Stenner 30 Gallon Gray Chemical Tank System with 45M3 Model Adjustable Flow Pump

H-Series FD Header O-Ring Kit gallons-per-minute_225-249 This is a Pentair U9-365This is a Hayward FDXLFOR1930 Header O Ring Kit for H150FD, H200FD, H250FD, H300FD, H350FD, H400FD Pool and Spa Hot Tub Heaters.