The welded plastic collar filter bag has no stitch holes therefore it has no potential side leakage. Further more, since it’s 100% welded, it won’t be contaminated by silicon oil from the stitching thread.
The plastic collars are molded by premium plastic granule; they are resistant to nearly all kinds of possible chemicals attack. Available material: polypropylene and Nylon. The replacement bags made with different plastic collars can be excellent standby to the branded filter bags on the market.
Being a specialized replacement bag supplier, D.KING Filter has plastic collars in 11 different diameters and sharps. For 9 years experience service for customers, D.KING Filter has invested 11 sets of different moulds to replace nearly most kinds of the filter bags’ collars that you can found in the market.