Replacement 4 Inch Pre Filter For 74-1800A And 74-1800W
$52.19
$64.19
Replacement 4 inch pre filter for 74-1800A and 74-1800W Features Main Unit requires 4 inches of pre-filtration, one 4 inch filter, or two 2 inch filters General Use 24 x 24 x 4 inches
