Metal vent cover for HVAC ducts; metal construction materials, namely, exhaust vent hoses for external ventilation of furnaces, heaters, stoves and boilers; metal heating ducts; ducts and pipes of metal for central heating installations; ducts of metal for air-conditioning installations; ducts of metal for ventilating installations; metal register boxes; metal diffuser boxes; metal pipe fittings for compressed air pipes

'air':40,60 'air-condit':39 'boiler':22 'box':51,54 'central':32 'compress':59 'condit':41 'construct':8 'cover':3 'diffus':53 'duct':6,25,26,35,43 'exhaust':11 'extern':15 'fit':57 'furnac':18 'heat':24,33 'heater':19 'hose':13 'hvac':5 'instal':34,42,48 'materi':9 'metal':1,7,23,30,37,45,49,52,55 'name':10 'pipe':28,56,61 'regist':50 'stove':20 'vent':2,12 'ventil':16,47

LASER-CUT SAFETY FITTINGS

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