Product Description

Pentair® DE Filter Clamp Assembly – 18" (181011)
For Filters Manufactured Prior to 1991

The 181011 Clamp Assembly is a genuine Pentair® replacement part for 18" DE filters and other compatible filter models. This upgraded spring design clamp band replaces the older, obsolete non-spring clamp design, making installation easier and eliminating the need for a torque wrench.

✅ OEM Replacement – Fits Pentair® 18" DE filters and other select models.
✅ Upgraded Spring Design – Simplifies installation and removal.
✅ Complete Kit – Includes clamp band halves, brass nuts, stainless washers, and springs.
✅ Durable Components – Built from corrosion-resistant materials for long life.

➡ Includes:

• Complete clamp band (2 halves)

• (2) Brass nuts

• (4) Stainless steel washers

• (2) Springs

➡ Commonly Used On:

• 18" Pac-Fab Nautilus Stainless DE Filter

• Pac-Fab PF35 Sand Filter

• Pac-Fab Sea Horse Cartridge Filter

• Richardson Sea Blue Sand Filter

⚠ Important:

• For filters manufactured before 04/92 with the old non-spring design, replace the entire clamp band assembly—components are not interchangeable.

• Do not mix parts between clamp designs.

• Always relieve system pressure before servicing.