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RECOMMENDED FILTER SIZES
UNIT 2 Ton 2 1/2 Ton 3 Ton 3 1/2 / 4 Ton 5 Ton
Min. Filter Size (1)20 x 20 x 1 (1)20 x 25 x 1 (1)25 x 25 x1 (2)20 x 20 x 1 (2)20 x 25 x 1
MINIMUM CLEARANCES
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NOTE: Roof overhang should be no more than 36".
3"
MIN
12" MIN
12" MIN
36" MIN
(FOR SERVICE)
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48" MIN