Search query: 18 x 30 x 1 air filter

Product: K&N 20x30x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions.8 x 29.6 x 19.6 inches)
Brand: K&N
Relevance: Irrelevant
The LAST HVAC FILTER YOU WILL EVER BUY: Washable for long-term home air filter savings
SAVE MONEY: Save $30 annually compared to disposable filters
INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
GUARNATEED QUALITY: Premium design and construction for excellent air filtration
DIRECT REPLACEMENT: Designed to fit directly into your filter register

Product: K&N 18x30x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office (Actual Dimensions.8 x 29.6 x 17.6 inches)
Brand: K&N
Relevance: Exact
The LAST HVAC FILTER YOU WILL EVER BUY: Washable for long-term home air filter savings
SAVE MONEY: Save $30 annually compared to disposable filters
INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
GUARNATEED QUALITY: Premium design and construction for excellent air filtration
DIRECT REPLACEMENT: Designed to fit directly into your filter register