world leaders in air and dirt separation technology. For more than thirty years our parent, the Spiro Research Group, has been developing and manufacturing products to improve water quality in the HVAC industry.

• See also:
• Masterformat 2004
• 21 05 19 - Meters and Gages for Fire-Suppression Systems
• 22 05 19 - Meters and Gages for Plumbing Piping
• 23 05 19 - Meters and Gages for HVAC Piping
• 23 52 00 - Heating Boilers
• 23 52 16 - Condensing Boilers
• 23 52 19 - Pulse Combustion Boilers
• 23 52 23 - Cast-Iron Boilers
• 23 52 33 - Water-Tube Boilers
• 23 52 39 - Fire-Tube Boilers
• 23 82 00 - Convection Heating and Cooling Units
• 23 82 16 - Air Coils
• 23 82 19 - Fan Coil Units
• 23 82 23 - Unit Ventilators
• 23 82 26 - Induction Units
• 23 82 33 - Convectors
• 23 82 36 - Finned-Tube Radiation Heaters
• 23 82 39 - Unit Heaters
• 44 41 00 - Water Pollution Containment and Cleanup Equipment
• Masterformat 1995
• 11300 - Fluid Waste Treatment & Disposal
• 15120 - Piping Specialties
• 15510 - Heating Boilers and Accessories
• 15760 - Terminal Heating and Cooling Units