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Standard ring bags
have a galvanized steel ring (stainless steel optional) sewn in the top
of the bag. They are supplied with sewn seams standard.
Super Seal molded
top filter bags have a plastic top welded to a sewn or all welded filter
bag.
Filter bags with molded
Super Seal tops require no filter bag hold down devices. As the differential
pressure in the application increases, the integrity of the Super Seal
improves.

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