Grate Seal 100mm - 80mm grate seal one-way seal that is easily

one-way seal that is easily adaptable to fit either 4"/100mm or 3"/80mm floor and shower drains with the GS01 Grate Seal®

No fixing required as the seal stays in place through friction

As a WaterMark® approved product

Simply cut along the marked line to convert from 4" or 100mm to 3" or 80mm (GS01 model only)

No ridges or braces to obstruct or catch waste

Grate Seal 100mm - 80mm grate seal one-way seal that is easilyCreate a permanent and maintenance free, one way seal that is easily adaptable to fit either 4" 100mm or 3" 80mm floor and shower drains with the GS01 Grate Seal. The GS01 Grate Seal is a specially designed rubber, one way valve that is easily retro fitted into 4" or 100mm and 3" or 80mm floor and shower drains preventing sewer gases, airborne bacteria, soap suds, vermin and noise from making their way out of the drainage system into habitable areas.