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Turbo S1-11 Replacement Membrane Only

Replacement polythene membrane for the S1-11 syphon.  Suitable only for the Thomas Dudley green S1-11 syphons.  Syphon membranes are available in a large range of shapes and sizes, dependent on the syphon  bell shape and make.  Please ensure you choose the correct type.


​PLEASE NOTE CERTAIN PARTS OF SCOTLAND, IRELAND and the ISLE of MAN will not be next day if chosen and will take an extra day. If in doubt please call us to check against your post code.

​The following options are available to choose at the checkout. The system will default to the cheapest Standard delivery option.

Standard delivery royal mail 24/48 hr £3.75+vat
Next working day if ordered before 3pm (signature) £9.60+vat
Next working day pre 1pm if ordered before 3pm (signature) £14.80+vat
Saturday delivery if ordered before 3pm Friday (signature) £22+vat

For full delivery terms and conditions please see the following /deliverydetails.html

Our Price:  £1.00(£1.20 Inc. VAT)

Product Id:  TS622

Turbo S1-11 Replacement Membrane Only

Special Offer:  A discount of 15% is available when you order 100 items or more of this product.

We are not your "bog standard" spares company we are toilet spare experts!