Product Description Rubber sealing ring (black) for ORTLIEB water transport products. 1 pieces Compatibility:water bags up to model 1998water bladder up to model 1998water belt up to model 1998Manufacturer Number:E91 Manufacturer's Guarantee:ORTLIEB gives a 5-year guarantee from the date of purchase on defects that are due to insufficient or faulty processing of the materials used. You can find out about the exact warranty conditions here. Contents:1 x ORTLIEB rubber gasket Manufacturer: ORTLIEB Sportartikel GmbH Rainstraße 6 91560 Heilsbronn Germany info@ortlieb.com