BNX TruFilter MERV 13 20 x 20 x 1 HVAC air filter 🛠

This MERV 13 furnace air filter from BNX is built to improve indoor air quality in HVAC systems by capturing fine particles while maintaining low airflow resistance. It fits nominal 20 x 20 x 1 inch housings and is intended for homeowners who want higher particulate removal, especially where allergens, smoke, or fine dust are a concern.

Key Points

The BNX TruFilter MERV 13 uses electrostatically charged pleated media to trap a wide range of airborne particles. According to the manufacturer it captures up to 93% of particles in the 3 to 10 micron range which includes pollen, pet dander, mold spores, smoke and many common allergens. The design aims to balance filtration efficiency with airflow to avoid undue strain on most residential HVAC fans. This pack includes four filters so you can replace filters across a season or multiple units without frequent reordering. 🇺🇸

Technical Specifications

• Name: BNX TruFilter MERV 13
• Size: 20 x 20 x 1 inches (actual media frame 19 11/16 x 19 11/16 x 3/4 inches)
• Efficiency rating: MERV 13, comparable with MPR 1500-1900 and FPR 10
• Certification and standards: Based on ASHRAE 52.2-2017 initial efficiency/resistance, UL 900 listed (certificate UL-US-2403701-0)
• Origin: Made in the United States, manufactured in Houston, TX

Advantages

The pleated electrostatic media provides higher particle capture than typical fiberglass flat filters while keeping resistance to airflow comparatively low. The one-piece single-face frame reduces material waste and uses recycled cardboard, which is noted as a sustainable choice by the manufacturer. For households with allergy concerns or exposure to wildfire smoke, the higher MERV rating offers noticeably cleaner air in short order, with manufacturer claims of visible improvement within 48 hours. Consider that very high MERV filters may not be compatible with all older HVAC systems, and performance can vary depending on fan capacity and system condition.

Usage Recommendations

Install the filter with the airflow arrow pointing toward the furnace or air handler. Replace at regular intervals based on indoor air quality and usage; heavy, smoky, or dusty environments may require more frequent changes. Check that the actual frame size fits your filter slot since the usable dimensions are slightly under the nominal size. When storing extra filters keep them flat and dry to preserve media integrity. 🏠🌿.