Replaces Purex Tank O-ring

073270Z Factory Original Includes Shipping!

Buy the full set of 8 filter grids and save. Manifold must be on the bottom. Grids are all the same size. For 36 sq.ft. filters.

Pentair Purex Filter Grids Full Set SM,SMBW 48 SQ.FT 2000 & 4000 Series Manifold must be on the bottom. Grids are all the same size.

Replaces Purex part 188603 Val-Pak V20-222

Pentair Purex Filter Grids Full Set SM - SMBW 72 SQ.FT 2000 and 4000 Series