Praher 40mm multi port valve spider gasket - suits Hurlcon, Davey & Waterco media filters
MPV Spider Gasket 40mm (Praher) suits Waterco pre 1992, Swimworld Sandpiper / Hurlcon pre Sept 07, Davey CC180-250 & Tagelus 150-230 sand filters
Non-genuine (but as good as any you'll get)
Remember, to extend the life of your gaskets & seals always use silicone lubricant, not vaseline. Rotate the MPV handle in one direction only to avoid slippage or stretching.