Castle HVAC Furnace Filter 20x25x1
No Toil Castle furnace filter with 3-layer foam and tacky center layer for dust capture. High airflow with MERV 8 rating. One-year lifespan cited by manufacturer
Highlights
- 3-layer foam with tacky center
- high surface area for dust collection
- one-year lifespan
Pros
- 3-layer foam construction
- patented tacky center layer for dust capture
- high airflow with MERV 8
- long-lasting up to one year
- made in USA
Cons
- mixed customer results on longevity
- some report restricted airflow or clogging
- some questions on value for money
Best For
Features
- Three-layer 14-inch open-cell foam with a tacky center for dust capture
- MERV 8 rating with 93% removal of harmful dust while maintaining airflow
- 400% more surface area for dust collection; internal sticky treatment aids capture
