4" Air Filters

Explore our selection of 4 inch air filters designed for optimal air quality and efficiency

Discover our wide selection of 4" air filters, designed to enhance indoor air quality and promote healthier living environments. These filters are engineered to capture a variety of airborne particles, including dust, pollen, and pet dander, ensuring that you breathe cleaner air in your home or office. With easy installation options and a range of MERV ratings to suit different needs, finding the perfect air filter has never been easier.

12x20x4 Air Filter

12x24x4 Air Filter

14x20x4 Air Filter

14x25x4 Air Filter

16x20x4 Air Filter

16x25x4 Air Filter

16x28x4 Air Filter

16.7x26x4.7 Air Filter

17x26x4 Air Filter

17.5x21x4.5 Air Filter

17.7x20x4.7 Air Filter

18x20x4 Air Filter

18x24x4 Air Filter

19x20x4 Air Filter

20x20x4 Air Filter

20x23x4 Air Filter

20x24x4 Air Filter

20x25x4 Air Filter

20x30x4 Air Filter

20.2x26x4.7 Air Filter

20.7x20x4.7 Air Filter

21x21x4.5 Air Filter

21x24.5x4.5 Air Filter

21x26x4 Air Filter

22.7x20.7x4.7 Air Filter

24x24x4 Air Filter

24x25x4 Air Filter

24x30x4 Air Filter

25.5x20x4.7 Air Filter

Product List

20x24x4 MERV 8 AC Furnace Air Filter

20x24x4 MERV 8 Air Filter

Product Review Score

4.69 out of 5 stars

113 reviews

SGD 28.83

Nordic Pure MERV 8 Pleated Carbon Air Filters

Nordic Pure MERV 8 Filters

Nordic Pure

Product Review Score

4.87 out of 5 stars

173 reviews

SGD 63.05 SGD 54.69

When it comes to maintaining optimal air quality in your home or office, 4" air filters play a crucial role in capturing dust, allergens, and pollutants. Their increased surface area allows for better airflow while efficiently trapping larger particles, ensuring you breathe cleaner air. Regularly replacing your 4" air filters not only improves air quality but also prolongs the lifespan of your HVAC system, saving you money in the long run.

Our selection of 4" air filters includes various materials and filtration ratings to meet your specific needs. From standard pleated filters to high-efficiency options, each product is designed to enhance performance and provide you with peace of mind. Browse our collection today and discover the perfect air filter to keep your environment fresh and healthy.