Explore our selection of 21x22x1 air filters, designed to enhance your indoor air quality by trapping dust, allergens, and other airborne particles. These filters are engineered for a perfect fit in your HVAC systems, ensuring optimal airflow and efficiency while keeping your environment clean and healthy. Whether you're looking for standard or high-efficiency options, our range is tailored to meet your needs and provide lasting performance for your home or office.
21x22x1 Air Filter
Enhance your home's air quality with our premium selection of 21x22x1 air filters designed for superior filtration and performance
Product List
MERV 13 Air Filters - 4 Pack
Filterbuy
Product Review Score
4.75 out of 5 stars
8 reviewsSGD 105.04
MERV 13 HVAC Filters 6-Pack
Filterbuy
Product Review Score
4.23 out of 5 stars
34 reviewsSGD 146.41
MERV 13 Pleated Filters 21x22
Filterbuy
Product Review Score
4.37 out of 5 stars
187 reviewsSGD 62.18
21x22x1 MERV 11 Filters - 4 Pack
Filter King
Product Review Score
4.53 out of 5 stars
181 reviewsSGD 85.23
MERV 13 Air Filters 4-Pack
Filter King
Product Review Score
4.29 out of 5 stars
231 reviewsSGD 87.52
MERV 13 Air Filters 6-Pack
Filter King
Product Review Score
4.13 out of 5 stars
206 reviewsSGD 116.30
MERV 13 21x22 Air Filters 3-Pack
Filterbuy
Product Review Score
4.22 out of 5 stars
54 reviewsSGD 88.36
21x22 MERV 11 Air Filters - 12 Pack
Filterbuy
Product Review Score
4.81 out of 5 stars
65 reviewsSGD 203.82
MERV 8 Dust Defense Filters 2-Pack
Filterbuy
Product Review Score
4.4 out of 5 stars
9 reviewsSGD 41.23
Explore our selection of 21x22x1 air filters designed to enhance your home's air quality and ensure optimal HVAC performance. These filters effectively capture dust, pollen, and other airborne particles, contributing to a healthier indoor environment for you and your family. With various MERV ratings available, you can choose the right level of filtration to suit your specific needs.
Our 21x22x1 air filters are easy to install and maintain, making them a practical choice for any homeowner. Crafted from high-quality materials, they offer longevity and reliable performance, helping to extend the life of your HVAC system. Browse our collection today to find the perfect filter that fits your air quality requirements and lifestyle.