ideal for maintaining setpoints in heat pump systems during extreme ambient drops

Technicians benefit from the built-in calibration feature

8 inches by 3

In a professional HVAC maintenance schedule

Aprilaire 1110 Filter 318172-701 ideal for maintaining setpoints inThe Aprilaire 1110 Filter is a high performance whole house air purifier designed to significantly improve indoor air quality by capturing harmful particulates as they circulate through your HVAC system. Featuring a MERV 11 rating, this media air cleaner is engineered to trap up to 85% of pollen and mold spores, along with 50% of dust particles, which is a massive upgrade over standard 1 inch filters. Its 16x20 nominal size and heavy gauge galvanized