FreshWater Salt Cartridge | Salt System Refill Brand_DuraVent even at the same nominal

even at the same nominal 1-1/2" size — SAE is coarse and straight-sided

1 x Heatilator Simon 33 Front (Novus)

Hearthstone 7211-944 Blower Fan Kit

replacing OEM part numbers 20245-238 and PVT-25N

Eco-friendly

FreshWater Salt Cartridge | Salt System Refill Brand_DuraVent even at the same nominalThe FreshWater Salt System Replacement Cartridge is the titanium electrode cartridge (sometimes called the "cell") that powers the FreshWater Salt System Watkins Wellness's saltwater sanitization technology built into compatible Hot Spring and Caldera hot tubs. It's the consumable component that converts dissolved salt into a steady, automatic supply of pure chlorine, keeping your spa water clean for months without measuring or dosing chlorine by