Response to I have a pac-fab (aka pentair) fns filter pre 1993. Can I retro fit the newer manual air relief valve to the top? Meaning I would have to drill it to the larger size

An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.



Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides. This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.