Produced by Eaton, UNIBAG filter bags are tough and easy on the wallet. Since they are fully welded, there are no sewn holes, which means no particles escape. The polyester bags are bypass-free and created using a minimum of 40 percent recycled materials. They are also carefully tested to certify they can stand up to Eaton's strict standards. Featuring a handle thatï¾’s quick and easy to replace, the Kopel seal ring can endure high temperatures. These filter bags have a micron rating of 50 and are a size 01. Available in box quantities of 50.