damper closes with screwdriver
| duct opening | no damper | with damper |
| 2.25 by 10 inches | $51.95 | not available |
| 2.25 by 12 inches | $62.95 | not available |
| 2.25 by 14 inches | $68.95 | not available |
| 4 by 8 inches | $62.95 | not available |
| 4 by 10 inches | $74.95 | $148.95 |
| 4 by 12 inches | $85.95 | $154.95 |
| 4 by 14 inches | $96.95 | not available |
| 6 by 6 inches | $51.95 | not available |
| 6 by 10 inches | $79.95 | $177.95 |
| 6 by 12 inches | $91.95 | $194.95 |
| 6 by 14 inches | $103.95 | not available |
| 8 by 10 inches | $137.95 | $211.95 |
s&h 12%,
but least $14.95
add $16.95
for screwholes
and screws
