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IamIan · 03-02-2013, 04:54 AM

FYI ... another variation possibility.
Instead of the tilting blinds style is to have two screens of holes when the holes line up air passes when the holes don't line up grill block.
best of luck either way.

03-02-2013, 04:54 AM	#4 (permalink)
IamIan Master EcoModder Join Date: Dec 2010 Location: RI Posts: 692 Thanks: 371 Thanked 227 Times in 140 Posts	FYI ... another variation possibility. Instead of the tilting blinds style is to have two screens of holes when the holes line up air passes when the holes don't line up grill block. best of luck either way.