AstralPool - Diffuser Assembly Ø500 for Delta Filter 1000–1200 (D.650–800) - 4404010244

AstralPool – Diffuser Assembly Ø500 for Delta Filter 1000–1200 (D.650–800)

This is the genuine AstralPool replacement diffuser assembly (Ø500 mm) for the Delta Filter 1000–1200 series in the D.650 and D.800 vessel sizes. The diffuser sits inside the filter vessel and evenly distributes incoming water across the sand bed, ensuring consistent filtration velocity and efficient particle capture throughout every cycle. It corresponds to position 21 in the official Fluidra exploded-view diagram for parent unit 58682-0100.

Compatibility

This diffuser assembly is designed exclusively for the AstralPool Delta Filter 1000–1200 in D.650 and D.800 diameter vessels (parent SKU 58682-0100). The Delta range is a high-performance laminated polyester and fibreglass sand filter available in 650, 800, 1000, and 1200 mm diameters, widely used in both public and private swimming pools across Europe. Always cross-reference the exploded-view diagram (position 21) before ordering to confirm fitment with your specific filter variant.

Why Genuine Matters

An OEM diffuser assembly ensures the precise Ø500 mm diameter, correct port geometry, and material tolerances specified by AstralPool engineers. Aftermarket alternatives may cause uneven water distribution, channelling through the sand bed, and reduced filtration efficiency — ultimately shortening filter media life and increasing backwash frequency. Sourcing a genuine part protects the filter’s compliance with EN 16713-1 filtration standards.

Installation

The diffuser assembly is accessed through the filter’s top lid opening and locates centrally within the vessel. We recommend draining and depressurising the filter before work begins, and consulting the official Fluidra exploded-view schematic for your specific filter model to ensure correct seating and alignment. Installation by a qualified pool technician is advisable for commercial or high-flow installations.