Used Kice dust collector, model VR21-10, Venturi jet style, carbon steel construction, approximately 247 sq ft filter surface area, with (21) 10' long bags, 44" diameter x 143" filter housing with 4.5" diameter filters, pulse jet, with hopper bottom with rotary airlock, model VJ14x10x10, on legs, serial# 184969. SKU-3424-3