Discover our premium selection of 18x20x1 air filters, designed to enhance your indoor air quality while ensuring optimal HVAC performance. These filters capture dust, pollen, allergens, and other airborne particles, providing a cleaner and healthier environment for you and your family. With a variety of options to suit your specific needs, upgrading your air filtration has never been easier or more effective.
18x20x1 Air Filter
Enhance your indoor air quality with our reliable 18x20x1 air filters designed for optimal performance
Product List
Filter King MERV 8 Pack
Filter King
Product Review Score
4.43 out of 5 stars
196 reviewsSGD 126.22 SGD 85.77
18x20x1 Air Filters, 12 Pack
Airx Filters
Product Review Score
4.47 out of 5 stars
118 reviewsSGD 98.36
Filtrete 18x20 Air Filter Pack
Filtrete
Product Review Score
4.75 out of 5 stars
81 reviewsSGD 20.13 SGD 9.96
Filtrete MERV 13 Air Filters 6-Pack
Filtrete
Product Review Score
4.38 out of 5 stars
62 reviewsSGD 137.58 SGD 120.02
Pet-Friendly 18x20x1 Filters
Filterbuy
Product Review Score
4.53 out of 5 stars
153 reviewsSGD 107.25
Filtrete MERV 11 Air Filters
Filtrete
Product Review Score
4.23 out of 5 stars
128 reviewsSGD 44.17 SGD 41.62
Protect Plus Air Filter 18x20x1
True Blue
Product Review Score
4.66 out of 5 stars
80 reviewsSGD 63.92
Choosing the right air filter is crucial for maintaining a healthy indoor environment, and the 18x20x1 air filter is a popular option among homeowners. This filter size is designed to fit a variety of HVAC systems, ensuring optimal airflow while capturing dust, pollen, and other airborne particles. By investing in a high-quality filter, you can enhance the efficiency of your heating and cooling systems while reducing allergens in your home.
Regularly replacing your 18x20x1 air filter can help prolong the lifespan of your HVAC system and keep your energy bills in check. Filters are available in different ratings, including MERV ratings, which indicate their effectiveness in trapping contaminants. Explore our selection to find the perfect air filter that meets your needs and supports a cleaner, healthier living space.