SPECIALTY REGISTER BOXES
TWBM
THRU-WALL BOX
THRU-WALL BOX (RETURN-AIR TRANSFER BOX )
TWBMF
TWB: Insulated thru-wall box with flange. TWBM: Non-Insulated thru-wall box plain. TWMB: Non-Insulated thru-wall box with flange.
TWB
TWBM
TWBMF
Size
Ga.
Qty.
TWB0804
TWBM0804
TWBMF0804
8”X4”
28
1
TWB0806
TWBM0806
TWBMF0806
8”X6”
28
1
TWB0808
TWBM0808
TWBMF0808
8”X8”
28
1
TWB1006
TWBM1006
TWBMF1006
10”X6”
28
1
TWB1008
TWBM1008
TWBMF1008
10”X8”
28
1
TWB1010
TWBM1010
TWBMF1010
10”X10”
28
1
TWB1206
TWBM1206
TWBMF1206
12”X6”
28
1
TWB1208
TWBM1208
TWBMF1208
12”X8”
28
1
TWB1210
TWBM1210
TWBMF1210
12”X10”
28
1
TWB1212
TWBM1212
TWBMF1212
12”X12”
28
1
TWB1406
TWBM1406
TWBMF1406
14”X6”
28
1
TWB1408
TWBM1408
TWBMF1408
14”X8”
28
1
TWB1410
TWBM1410
TWBMF1410
14”X10”
28
1
TWB1412
TWBM1412
TWBMF1412
14”X12”
28
1
TWB1414
TWBM1414
TWBMF1414
14”X14”
28
1
TWB1606
TWBM1606
TWBMF1606
16”X6”
28
1
TWB1608
TWBM1608
TWBMF1608
16”X8”
28
1
TWB1610
TWBM1610
TWBMF1610
16”X10”
28
1
RETURN-AIR TRANSFER BOX
TWB
43