Pk application Pulse-Jet Bags Filter supplying pulse-jet and plenum pulse filter bags. Filter bags use support cages to allow air flow from the exterior of the bag and exiting through the interior. Filter bags are sewn with 3 - needle chain stitch to ensure seam integrity. Top constructions consist of snap band, flange top, ring top, soft cuffs or raw edge. Bottom removal bags are constructed with a raw top or soft cuff. Top and bottom removal bag bottoms have disc bottoms that are sewn using an over lock (surge) stitch or lock stitch. Reverse-Air Bags Filter designs and manufactures a wide variety of reverse air bags. Typical top designs are strap top, loop top, cord top cuff, compression band tops with steel caps or grommet top bags. Bottom include raw edge, cuffed, compression band or beaded cuff. Anti-collapse rings of mild steel, stainless steel and other alloys are placed along the bag at the proper points for maximum cleaning efficiency. Type of Wovens: ACRULIC-COTTON-POLYESTER-POLYPROPYLENE-NOMEX-RYTON-TEFLON