O-Ring 3 5/16" for 2.5" IN and OUT tank heads

Replacement O-Ring for 2.5" IN and OUT tank heads.

OEM replacement for PRO+AQUA systems that use standard 2.5" IN and OUT heads like the WS-P-16.

Whats in the package: 1 single O-ring.

• 3 5/16" (3.313") OD, 2 15/16" (2.938") ID, 3/16" (0.188") Thickness
• Maximum Temperature: 100 F (37.7 C)
• Maximum Pressure: 90 PSI (6.21 bar).
• Made from durable Buna-N material.
• Do not use with petroleum-based lubricants.