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The polyethylene (PE) extension pipe makes it easy to raise the inspection opening of the WFF 300 vortex fine filter or rainwater storage tanks to ground level. Diameter 70 cm and selectable length of up to max. 140 cm (for rainwater storage tanks max. 30 cm). Please observe the notes in the installation instructions. The price refers to 10 cm each. Colour black.

Only the extension pipe is included in the scope of delivery. The illustration also shows the extension tube with intermediate ring, steel cover and child safety lock.

The steel intermediate ring (RS 1020) is required to install the extension pipe in conjunction with a steel cover.

If the extension pipe is used together with a plastic lid, the plastic intermediate ring (RS 1060) must be fitted.

Intermediate ring, child safety lock and lid are not included in the scope of delivery and must be ordered separately.

The payment is uncomplicated in our store! You can find detailed info about payment and shipping here. We offer the following payment methods:

Pay online iDEAL Trustly BLIK Prepayment PayPal OXXO Multibanco

Worldwide shipping

FREE SHIPPING WITHIN GERMANY FOR ORDERS OVER €50.

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:

Delivery by forwarding agent Parcel shipping Pallet delivery Delivery by WISY AG

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Article number

Length up to 140 cm (for rainwater tanks up to 30 cm), price per 10 cm
for WFF 300 and rainwater tank (colour: black) WV 1030