In-Line Filter

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The Williams In-Line Effluent Filter is designed to ensure removal of debris that creates blockages in irrigation nozzles. Liquid flows through the screen inside the filter's body. It is a simple procedure to open the top of the filter, remove the filtering screen, discard the trapped debris, then replace the cleaned screen and reassemble the filter. This feature makes the cleaning process a simple and tidy operation.

Galvanised or Stainless Screens come in: 76 hose / 64 BSP inlet and outlet
37mm x 16mm Diamond Hole - Galvanised Over centre lid catches for quick opening
20mm x 12mm Diamond Hole - Galvanised Bleed valve for auto draining of filter
12mm x 6mm Diamond Hole - Galvanised
4mm Round Punched Hole - Galvanised
3mm Round Punched Hole - Stainless Steel

Technical Support

It is of vital importance that the support provided for Williams Engineering products is of the same quality and professionalism as that of their manufactured products. Technical support is available through our nationwide dealer network or contact Williams Engineering direct.


Williams Engineering warrants new products sold by it to be free from defects in material and workmanship for a period of twelve months after delivery to the initial user. This warranty is for the replacement or repair of any part found to be defective during the warranty period. This warranty excludes any transport costs incurred by Williams Engineering in giving effect to the warranty and specifically excludes all normal maintenance costs. Replacement parts provided under the terms of this warranty are covered for the remainder of the warranty period applicable to the product in which they are installed as if such parts were original components of that product.

Warranty only applies if the form at the rear of the product manual is completed and returned.