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Dear Customers,due to the peak sales season and recent customs policy adjustments, the delivery time for some orders will be extended to 7-14 working days.
If you have already placed an order, please be patient. For urgent needs, plan purchases carefully. If you have any questions, please contact our customer service.

MERV-1 for Crawl Space & Basement Dehumidifiers Sentinel HD55S/HDi65S.
Dimensions: 17.3 x 8.8 x 0.4 in, 4 pack.
This filter captures the majority of “larger" dust after the air blew into the machine.
It can protect the inner component from the congestion of impurities from the air taking in from outside.
Also at the same time ensure the maximum airflow supply volume.