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Fluidra - Diffuser Support Tube Ø90 mm for Ø1600 Sand Filter

21500R0423
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Fluidra – Diffuser Support Tube Ø90 mm for Ø1600 Sand Filter

This genuine Fluidra diffuser support tube is the central structural component that holds the diffuser assembly securely in position inside the filter tank. Designed for Fluidra Ø1600 mm commercial sand filters with a 90 mm connection, it ensures the diffuser is correctly aligned to distribute incoming water evenly across the entire sand bed for effective filtration.

Compatibility

This support tube is specifically sized for Fluidra Praga and Viena series sand filters with a tank diameter of Ø1600 mm and a 90 mm diffuser outlet. It is not interchangeable with other tank diameters or outlet sizes — always verify your filter model and outlet dimension before ordering.

Why Genuine Matters

As a genuine Fluidra spare part, this tube is manufactured to the exact tolerances of the original, ensuring a secure, leak-free fit within the diffuser assembly. Using a non-genuine substitute risks poor alignment, reduced filtration efficiency, and potential damage to surrounding components.

Installation

The diffuser support tube is installed vertically inside the filter tank as part of the diffuser assembly. Access requires opening the filter lid and removing the diffuser assembly. Professional installation is recommended for large commercial filter vessels to ensure correct reassembly and safe recommissioning.

Additional information

Part type: Diffuser support tube
Compatible filter diameter: Ø1600 mm
Outlet / connection size: Ø90 mm
Compatible filter models: Fluidra Praga & Viena series sand filters (Ø1600, 90 mm outlet)

In details

  • Genuine Fluidra OEM part — guaranteed fit
  • Correctly aligns diffuser for even water distribution
  • Durable construction for long service life
  • Restores full filtration performance quickly
  • Direct replacement — no modification required
  • Compatible with Ø1600 mm / 90 mm outlet filters only
  • Professional installation recommended for large commercial vessels