Pentair O-Ring Replacement | SM & SMBW 4000 Series D.E. Filter | 071439Z Bio-Dex Thickness / Height: Approximately 1

Thickness / Height: Approximately 1

Ideal for marine & pool use

(Open Line) W3DE4820 Hayward ProGrid DE Filter 60 Sq

Dimensions: 28" x 28" x 6"

Pentair O-Ring Replacement | SM & SMBW 4000 Series D.E. Filter | 071439Z Bio-Dex Thickness / Height: Approximately 1The Pentair O Ring (071439Z) is the OEM replacement O ring for the SM and SMBW 4000 Series pool and spa D. E. filters. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O ring maintains the pressure seal within the SM and SMBW 4000 Series D. E. filter housing. A