15_1/4x15_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack featured True Liberty Industrial Strength bags

True Liberty Industrial Strength bags are made to resist bursting and puncturing

00 pH pH Resolution 0

Humidome™ can be purchased separately

and a thoughtful 4-in brush to aid in transferring pollen to its end location

This SMS lab coat protects against dust

15_1/4x15_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack featured True Liberty Industrial Strength bagsNordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition