Pentair 195339 19" Stainless Steel Backup Ring for DE & Cartridge Filters – Clean And Clear Plus 520 Cartridge Filter

Pentair 195339 19" Stainless Steel Backup Ring for DE & Cartridge Filters

Genuine Pentair 195339 19″ stainless steel backup ring. Fits Clean & Clear Plus, FNS Plus & Quad filters (post-2003 models).

Features

• Genuine Pentair OEM stainless steel backup ring
• Fits Clean & Clear Plus, FNS Plus, Quad D.E. and cartridge filters
• 19″ diameter for internal filter support
• Intended for filters built after March 2003
• Construction resists corrosion and maintains rigidity
• Helps align internal media and supports internal components

Description

The Pentair 195339 19″ Stainless Steel Backup Ring is a durable internal support component engineered for cartridge, D.E., and hybrid filters. Made of corrosion-resistant stainless steel, this ring provides stability and ensures proper alignment of grids, cartridges, or filter media under operating pressure. It is compatible with Clean & Clear Plus, FNS Plus, and Quad filters, especially those manufactured after March 2003.

Pro Tip

Check for warping or damage to the existing backup ring during maintenance. When installing a new ring, inspect all accompanying O-rings and internal hardware to ensure a tight fit and optimal function.

Installation Tips

Always depressurize the filter tank before opening. Ensure internal surfaces are clean and free of debris or burrs. Align the backup ring correctly before reassembly. Avoid overtightening internal components.