3M
7100341131
Filtrete™ Refillable Filter Kit 1550 MPR RS2003-4-2P-EC, 20 in x 25 in x 4 in (50.8 cm x 63.5 cm x 10.1 cm) 1 Frame & 2 Filters
3M
Filtrete™ Refillable Filter Kit 1550 MPR RS2003-4-2P-EC, 20 in x 25 in x 4 in (50.8 cm x 63.5 cm x 10.1 cm) 1 Frame & 2 Filters