Every filter makes trade-offs between letting too much air through (good for the unit) and trapping too much "stuff" (good for the homeowner). So, where is the right balance? What is best for both the homeowner and their unit?

Diversitech offers two permanent air filters. Choose the Red Label Filter for a good balance between ample air flow and ability to trap dust. Choose the Blue Label Filter if you feel greater air flow is needed, perhaps for older units.

Introducing an all new, full line of industry-standard Thermostat Guards. Each guard is manufactured to precise tolerances. Available in both clear plastic as well as heavy-duty steel design.

Applications include: air conditioning and refrigeration condensate drains, condensate pump discharge lines and humidifier overflows.