Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan; gas-tight biological safety cabinets whether or not fitted with filters

841410 Pumps; vacuum 841420 Pumps; hand or foot-operated air pumps 841430 Compressors; of a kind used in refrigerating equipment 841440 Compressors; air compressors mounted on a wheeled chassis for towing 841451 Fans; table, floor, wall, window, ceiling or roof fans, with a self-contained electric motor of an output not exceeding 125W 841459 Fans; n.e.c. in item no. 8414.51 841460 Hoods; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters, having a maximum horizontal side not exceeding 120cm 841470 Gas-tight biological safety cabinets; whether or not fitted with filters, having a maximum horizontal side not exceeding 120cm 841480 Pumps and compressors; for air, vacuum or gas, n.e.c. in heading no. 8414 841490 Pumps and compressors; parts, of air or vacuum pumps, air or other gas compressors and fans, ventilating or recycling hoods incorporating a fan