16x25x4 MERV 11 Optimal Pleated Furnace Filter — Case of 6 | 4-Inch HVAC Air Filter | Made in Canada

16x25x4 MERV 11

Though I thought there might be an issue with delivery, I contacted your office to reques a later delivery date. Everything went smoothly from email notification of transit to actually being received. Will continue to purchase when needed. ps my son was the one that told me about your site.

This is our 2nd purchase however the filters arrived damaged but was quickly replaced. Thanks for the good quality product and excellent service.

Satisfied customers

We have been ordering for six years now, great product, great delivery, great price. Compared to the big box stores, United Filter is superior.