Barbecues; Faucets; Air valves for steam heating installations; Fitted covers for barbecue grills; Folding portable charcoal, propane and gas fired barbecues, stoves, and grills; Lavatory seats; Pipes being parts of sanitary facilities; Pressure regulators for gas pipes and lines; Radiators, electric; Regulating accessories for water supply, namely, metered valves; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Swimming pool chlorinating apparatus...