18X24X4

18X24X4
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18"X24"X4" ULTRA 6 FILTERS

M8LE18244-6 This filter is a MERV 8 and was tested according to the procedure described in append..

99.99$

18"X24"X4" MAXI 6 FILTERS

M11ME18244-6 This filter is a MERV 11 and was tested according to the procedure described in appe..

104.99$