As with all industrial equipment, heavy duty heat sealers are expected to work hard. Whether used for the constant production of plastic bags, to seal heavy duty polypropylene or as a laminated film sealer, inevitably from time to time a little maintenance will be required and worn parts replaced. Heat sealer spares are all quick and easy to change. For your convenience we supply all the heavy duty heat sealer spares you may need in a kit. These kits include all of the spare parts that might, from time to time, need replacing on your unit. The kits contain: 1 x Silicone rubber, 1 x Upper Teflon, 1 x Seal wire, 2 x Knives