The DRS - Dual Retention System. DRS means that each tuft is stapled into the brush back with the food grade stainless steel staples and then the epoxy resin is floated in. As a result, the resin permeates the bottom of the tuft hole, covering the filaments and staples as it goes.
The Resin contains silver ion as standard, prevents of dirt, moisture and microbes in the tuft holes. FDA approved. Available in different colors (color coded) which helps you to segregate manual cleaning equipment and easily implement, and manage your HACCP system.