Large air filter center of the spiral tube rolling machine strip width 109mm diameter range 80-400 motor power 2.6kw production speed 2.6m/min dimension 1400*1100*1400mm weight 1000kg mould adjustable steel mold diameter range cutting mode pneumatic circular blade tracking cut off,continuous non-stop seams way inside and outside the flat outer seams applicable material galvanized steel band and various deep drawing applicable product efficient production of dust filter, air filter and a variety of both interior and exterior filter network, support net work.