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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
Lumber and 1 3/8" Top Rail is not included and should be purchased at your local hardware store
Fits 18 2” net pots and compatible with our 1020 trays
and potassium (K) levels
extra-strong seedling containers
Greenhouse Aluminum Intake Shutter Size:24" Lumber and 1 3/8" TopFresh Air Intake for Greenhouse or Hoop House Bring outside air into your greenhouse with this intake shutter. Aluminum shutters open with negative pressure as outdoor air is drawn in through the shutter, and hot air is exhausted through a motorized shutter fan on opposite sides of the hoop house. This shutter is designed for easy installation with spring wire and lock channel and this hardware kit. Check out this article on greenhouse ventilation to
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