Dust collector filter bag corded top mean the filter bag top is with cord or rope.
The cord or rope could be rubber cord or nylon rope.
For filter bag corded top, top inner diameter and outer diameter, rope or cord thickness and material are important parameters.
Shanghai Indro Industry Co., Ltd is professional filter bag manufacturer, we offers all kinds of filter bag with different bag tops, including corded tops. About corded bag top, before production, we need to know any two parameters among these tree parameters of inner diameter, outer diameter and rope or cord thickness.
Normally, normal round felt dust collector filter bags and envelope filter bags are with corded top or rope top.