Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gastight biological safety cabinets, whether or not fitted with filters
Air compressors mounted on a wheeled chassis for towing
Compressors for refrigerating equipment
Gastight biological safety cabinets
Handoperated or footoperated air pumps
Hoods incorporating a fan, whether or not fitted with filters, having a maximum horizontal side < 120 cm
Air pumps, air or other gas compressors and ventilating or recycling hoods incorporating a fan, whether or not fitted with filters, having a maximum horizontal side > 120 cm (excl. vacuum pumps, hand or footoperated air pumps, compressors for refrigerating equipment and air compressors mounted on a wheeled chassis for towing)
Parts of: air or vacuum pumps, air or other gas compressors, fans and ventilating or recycling hoods incorporating a fan, and gastight biological safety cabinets, n.e.s.