Actual size 27.5 x 29.5 x 1.75. Our Accumulair 28x30x2 Geothermal air filters are two-piece frame, one panel 27.5 x 29.5 x 1.75 filters for use in Ground Source Heat Pump (GSHP) or Geothermal systems. The one-piece construction of our 28x30x2 Geothermal filter makes for a more robust filter and eliminates bypass. One-panel, two-piece construction. Standardized to ASHRAE 52.2 ratings. Note: Example filter picture shown is not to scale and is included to show style only. Database and 28x30x2 geothermal air filter variations last verified on 03/25/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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