• Airscreen 3309082025 Filter Media
  3309082025
  On Sale $27.00
• Carrier 318518-761 Humidifier Filter
  318518761
  On Sale $57.84
• Liebert 127849P1 Steam Cylinder
  127849P1
  On Sale $371.28
• Honeywell 203372 Prefilter
  203372
  On Sale $54.29
• Electronic Air Cleaner Testing & Repair On Your Air Cleaner Power Supply
  DIAGNOSTIC
  On Sale $47.94
• General 990-13 Humidifier Filter
  99013
  On Sale $22.67
• Nortec 202 Steam Cylinder
  202
  On Sale $367.20
• Skuttle A04-1725-034 Humidifier Filter
  A041725034
  DISCONTINUED
• Armstrong A9330 Diaphragm Kit
  A9330
  On Sale $292.80

We are the largest on-line reseller of indoor air quality parts and industrial controls in the USA. You will find over 100 brands of air cleaners and humidifiers as well as a selection of industrial controls including boiler controls, damper actuators, valve actuators, gas valves, water valves, igniters, chart paper, sensors, etc.. Our clients are consumers looking for air filters and humidifier filters as well as commercial and industrial clients needing steam humidifier parts as well as boiler controls. Over 95% of orders placed with us ship out within 60 minutes of placement.