22 32 19
Domestic-Water Off-Floor Cartridge Filters
22 32 16
Domestic-Water Freestanding Cartridge Filters
22 32 13
Domestic-Water Bag-Type Filters
22 32 00
Domestic Water Filtration Equipment
22 31 16
Commercial Domestic Water Softeners
22 31 13
Residential Domestic Water Softeners
22 31 00
Domestic Water Softeners
22 30 00
Plumbing Equipment
22 15 19.23
General Service Packaged Sliding-Vane Air Compressors
22 15 19.19
General Service Packaged Rotary-Screw Air Compressors
22 15 19.16
General Service Packaged Liquid-Ring Air Compressors
22 15 19.13
General Service Packaged Reciprocating Air Compressors
22 15 19
General Service Packaged Air Compressors and Receivers
22 15 16
General Service Compressed-Air Valves
22 15 13
General Service Compressed-Air Piping
22 15 00
General Service Compressed-Air Systems
22 14 63
Facility Storm-Water Retention Tanks
22 14 53
Rainwater Storage Tanks
22 14 36
Packaged, Submersible, Drainage Pump Units
22 14 33
Packaged, Pedestal Drainage Pump Units