Pentair Rainbow #330 Floating Chemical Dispenser, Holds 3" Tabs | R171086 Rectangular Fire Bowl This cartridge filter is used

This cartridge filter is used in pool and spa filtration systems to remove dirt and debris from the water

Durable construction designed for frequent use around water

reducing wear on moving parts

It is often identified after confirming the wet end spins freely and the motor shows overheating

Pentair Rainbow #330 Floating Chemical Dispenser, Holds 3" Tabs | R171086 Rectangular Fire Bowl This cartridge filter is usedWhat This Part Is Used For Pentair R171086 Rainbow #330 Floating Chemical Dispenser Holds 3in Tabs is a floating chlorinator used to dispense 3in chemical tablets in pools. It provides controlled chemical release for sanitation. Why This Part Matters Consistent chlorine delivery supports proper water sanitation. A floating dispenser allows adjustable output without plumbing changes. Replacing cracked or faded units keeps chemical treatment steady. Key