Koch 574-020-135135 x20 Synthetic Air Filter Roll, MERV 4 (3 pcs) voomi_id_61213 it meets ANSI Z87

it meets ANSI Z87

making it ideal for various commercial ventilation needs

Setpoint Temp Range: 60 to 90 degrees Fahrenheit

The Lau 6129170001 is a four-blade fan designed for industrial and commercial use

Seven-button layout for easy navigation

Koch 574-020-135135 x20 Synthetic Air Filter Roll, MERV 4 (3 pcs) voomi_id_61213 it meets ANSI Z87Synthetic Air Filter Media: This broad spectrum of products is designed for use in Koch Pad Frames, and is also available in bulk rolls for customers preferring to cut their own pads. Koch Synthetic Air Filter Media is primarily used as a prefilter for more expensive final filters, often extending the life cycle of these final filters by 50% or more. Other popular applications include gas turbine air intake systems, commercial industrial central air