| 3219-0300-100000 | 3 in. | 3" QF In Line Back Draft Damper - Galvanized 18 Gauge - 17.5" Length. B7" | $256.05 | | |
| 3219-0300-200000 | 3 in. | 3" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 17.5" Length. B7" | $438.54 | | |
| 3219-0400-100000 | 4 in. | 4" QF In Line Back Draft Damper - Galvanized 18 Gauge - 18.5" Length. B7" | $256.05 | | |
| 3219-0400-200000 | 4 in. | 4" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 18.5" Length. B7" | $438.54 | | |
| 3219-0500-100000 | 5 in. | 5" QF In Line Back Draft Damper - Galvanized 18 Gauge - 19.5" Length. B7" | $323.22 | | |
| 3219-0500-200000 | 5 in. | 5" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 19.5" Length. B7" | $553.87 | | |
| 3219-0600-100000 | 6 in. | 6" QF In Line Back Draft Damper - Galvanized 18 Gauge - 20.5" Length. B7" | $380.88 | | |
| 3219-0600-200000 | 6 in. | 6" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 20.5" Length. B7" | $652.67 | | |
| 3219-0700-100000 | 7 in. | 7" QF In Line Back Draft Damper - Galvanized 18 Gauge - 21.5" Length. B7" | $444.78 | | |
| 3219-0700-200000 | 7 in. | 7" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 21.5" Length. B7" | $762.23 | | |
| 3219-0800-100000 | 8 in. | 8" QF In Line Back Draft Damper - Galvanized 18 Gauge - 22.5" Length. B7" | $508.99 | | |
| 3219-0800-200000 | 8 in. | 8" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 22.5" Length. B7" | $871.95 | | |
| 3219-0900-100000 | 9 in. | 9" QF In Line Back Draft Damper - Galvanized 18 Gauge - 23.5" Length. B7" | $563.06 | | |
| 3219-0900-200000 | 9 in. | 9" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 23.5" Length. B7" | $965.14 | | |
| 3219-1000-100000 | 10 in. | 10" QF In Line Back Draft Damper - Galvanized 18 Gauge - 24.5" Length. B7" | $624.00 | | |
| 3219-1000-200000 | 10 in. | 10" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 24.5" Length. B7" | $1,069.25 | | |
| 3219-1100-100000 | 11 in. | 11" QF In Line Back Draft Damper - Galvanized 18 Gauge - 25.5" Length. B7" | $684.31 | | |
| 3219-1100-200000 | 11 in. | 11" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 25.5" Length. B7" | $1,173.51 | | |
| 3219-1200-100000 | 12 in. | 12" QF In Line Back Draft Damper - Galvanized 18 Gauge - 26.5" Length. B7" | $684.31 | | |
| 3219-1200-200000 | 12 in. | 12" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 26.5" Length. B7" | $1,173.51 | | |
| 3219-1300-100000 | 13 in. | 13" QF In Line Back Draft Damper - Galvanized 18 Gauge - 32.5" Length. B12" | $755.06 | | |
| 3219-1300-200000 | 13 in. | 13" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 32.5" Length. B12" | $1,294.13 | | |
| 3219-1400-100000 | 14 in. | 14" QF In Line Back Draft Damper - Galvanized 18 Gauge - 33.5" Length. B12" | $755.06 | | |
| 3219-1400-200000 | 14 in. | 14" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 33.5" Length. B12" | $1,294.13 | | |
| 3219-1500-100000 | 15 in. | 15" QF In Line Back Draft Damper - Galvanized 18 Gauge - 34.5" Length. B12" | $825.35 | | |
| 3219-1500-200000 | 15 in. | 15" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 34.5" Length. B12" | $1,414.60 | | |
| 3219-1600-100000 | 16 in. | 16" QF In Line Back Draft Damper - Galvanized 18 Gauge - 43.5" Length. B20" | $825.35 | | |
| 3219-1600-200000 | 16 in. | 16" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 43.5" Length. B20" | $1,414.60 | | |
| 3219-1700-100000 | 17 in. | 17" QF In Line Back Draft Damper - Galvanized 18 Gauge - 44.5" Length. B20" | $908.73 | | |
| 3219-1700-200000 | 17 in. | 17" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 44.5" Length. B20" | $1,557.19 | | |
| 3219-1800-100000 | 18 in. | 18" QF In Line Back Draft Damper - Galvanized 18 Gauge - 45.5" Length. B20" | $908.73 | | |
| 3219-1800-200000 | 18 in. | 18" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 45.5" Length. B20" | $1,557.19 | | |
| 3219-2000-100000 | 20 in. | 20" QF In Line Back Draft Damper - Galvanized 16 Gauge - 47.5" Length. B20" | $1,036.67 | | |
| 3219-2000-200000 | 20 in. | 20" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 47.5" Length. B20" | $1,776.93 | | |
| 3219-2200-100000 | 22 in. | 22" QF In Line Back Draft Damper - Galvanized 16 Gauge - 49.5" Length. B20" | $1,282.75 | | |
| 3219-2200-200000 | 22 in. | 22" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 49.5" Length. B20" | $2,198.96 | | |
| 3219-2400-100000 | 24 in. | 24" QF In Line Back Draft Damper - Galvanized 16 Gauge - 51.5" Length. B20" | $1,442.96 | | |
| 3219-2400-200000 | 24 in. | 24" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 51.5" Length. B20" | $2,473.24 | | |
| 3219-2600-100000 | 26 in. | 26" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 57.5" Length. B24" | $1,548.47 | | |
| 3219-2600-200000 | 26 in. | 26" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 57.5" Length. B24" | $2,653.87 | | |
| 3219-2800-100000 | 28 in. | 28" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 59.5" Length. B24" | $1,612.36 | | |
| 3219-2800-200000 | 28 in. | 28" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 59.5" Length. B24" | $2,763.74 | | |
| 3219-3000-100000 | 30 in. | 30" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 61.5" Length. B24" | $1,794.70 | | |
| 3219-3000-200000 | 30 in. | 30" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 61.5" Length. B24" | $3,076.36 | | |
| 3219-3200-100000 | 32 in. | 32" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 63.5" Length. B24" | $1,913.14 | | |
| 3219-3200-200000 | 32 in. | 32" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 63.5" Length. B24" | $3,279.43 | | |
| 3219-3400-100000 | 34 in. | 34" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 65.5" Length. B24" | $2,041.09 | | |
| 3219-3400-200000 | 34 in. | 34" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 65.5" Length. B24" | $3,498.70 | | |
