Dripper irrigation systems, comprised of valves; Electric automatic moist heating pad not for medical purposes; Filters for air extractor hoods; Flexible pipes being parts of basin plumbing installations; Flexible pipes being parts of shower plumbing installations; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Plumbing fittings, namely, valves; Plumbing fixtures, namely,...