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The intermediate ring enables the extension tube to be securely mounted in combination with a steel or plastic cover. The ring provides a firm hold and secure connection between the filter housing and extension pipe.

Suitable for the WFF 300 vortex fine filter or the WISY rainwater storage tank

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Once your order has been placed, you will receive a confirmation email informing you that our shipping team has received your order. Once your order has been processed, you will receive an email notification with your tracking information. Shipping costs will not be refunded in the event of a return. We ship with:

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Intermediate ring

The intermediate ring for is required if an extension pipe is to be installed. In order to adjust the inspection opening to ground level. Made of stainless steel, resp. plastic, matching the material of the cover, suitable for the Vortex Filter WFF300, rainwater storage tank or infiltration system.

Intermediate ring WFF 300
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Suitable for

Vortex fine filter WFF 300 with steel cover

Price on request

Housing cover vortex fine filter WFF 300
Variants from €249.00
Regular price: €439.00
5,500 l WISY rainwater storage tank
Regular price: €1,402.52

Article number

Intermediate ring for WFF 300 / rainwater storage tank / infiltration system RS 1020