Special Aeration Liner with panel aeration across the width with zonal aeration facility Body Film P.E 140, 150 & 170 micron a. Rear End loading spout and vent spout b. Rear End bottom discharge spout c. Rear Bulk Head with discharge window around P.E sleeve sewn d. Front End Batten pocket with bar locking attachment e. Ceiling disk + Bungee Elastic sewn