… recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters. …
Explanatory notes
… recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether … - Fans : 8414.51 - - Table, floor, wall, window, ceiling or roof fans, with a self-contained electric … piston engines to increase power output. Compressors are widely used : for compressing gases into gas cylinders; in …