Pentair 520818 COM Port Expansion Module with 1-Feet Cable Replacement Pool and Spa Automatic Control Systems first-aid Unicel C-5423 Replacement Filter Cartridge

Unicel C-5423 Replacement Filter Cartridge for 34 Square Foot Marquis Spas

Fits Pentair Sta-Rite Dynamo Aboveground Swimming Pool Pump

Features 3M™ Cool Flow™ Valve

Comes with 5/16-inch nozzle

HPPE reinforced

Pentair 520818 COM Port Expansion Module with 1-Feet Cable Replacement Pool and Spa Automatic Control Systems first-aid Unicel C-5423 Replacement Filter CartridgePentair 520818 COM Port Expansion Module with 1 Feet Cable Replacement Pool and Spa Automatic Control Systems COM port expansion module replacement Fits Pentair IntelliTouch, EasyTouch pool and spa automatic control systems Also fits Pentair Compool to EasyTouch upgrade automation systems Measures 14 1 2 inch length by 12 1 2 inch height by 13 1 2 inch width