3M
7100364217
Filtrete™ Refillable Filter Kit 1550 MPR RS2001-4-1R, 16 in x 25 in x 4 in (40.6 cm x 63.5 cm x 10.1 cm), 1 Frame & 1 Filter
3M
Filtrete™ Refillable Filter Kit 1550 MPR RS2001-4-1R, 16 in x 25 in x 4 in (40.6 cm x 63.5 cm x 10.1 cm), 1 Frame & 1 Filter