| 3219-0300-100000 | 3 in. | 3" QF In Line Back Draft Damper - Galvanized 18 Gauge - 17.5" Length. B7" | $262.45 | | |
| 3219-0300-200000 | 3 in. | 3" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 17.5" Length. B7" | $449.51 | | |
| 3219-0400-100000 | 4 in. | 4" QF In Line Back Draft Damper - Galvanized 18 Gauge - 18.5" Length. B7" | $262.45 | | |
| 3219-0400-200000 | 4 in. | 4" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 18.5" Length. B7" | $449.51 | | |
| 3219-0500-100000 | 5 in. | 5" QF In Line Back Draft Damper - Galvanized 18 Gauge - 19.5" Length. B7" | $331.30 | | |
| 3219-0500-200000 | 5 in. | 5" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 19.5" Length. B7" | $567.72 | | |
| 3219-0600-100000 | 6 in. | 6" QF In Line Back Draft Damper - Galvanized 18 Gauge - 20.5" Length. B7" | $390.40 | | |
| 3219-0600-200000 | 6 in. | 6" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 20.5" Length. B7" | $668.99 | | |
| 3219-0700-100000 | 7 in. | 7" QF In Line Back Draft Damper - Galvanized 18 Gauge - 21.5" Length. B7" | $455.90 | | |
| 3219-0700-200000 | 7 in. | 7" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 21.5" Length. B7" | $781.29 | | |
| 3219-0800-100000 | 8 in. | 8" QF In Line Back Draft Damper - Galvanized 18 Gauge - 22.5" Length. B7" | $521.71 | | |
| 3219-0800-200000 | 8 in. | 8" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 22.5" Length. B7" | $893.75 | | |
| 3219-0900-100000 | 9 in. | 9" QF In Line Back Draft Damper - Galvanized 18 Gauge - 23.5" Length. B7" | $577.14 | | |
| 3219-0900-200000 | 9 in. | 9" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 23.5" Length. B7" | $989.27 | | |
| 3219-1000-100000 | 10 in. | 10" QF In Line Back Draft Damper - Galvanized 18 Gauge - 24.5" Length. B7" | $639.60 | | |
| 3219-1000-200000 | 10 in. | 10" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 24.5" Length. B7" | $1,095.98 | | |
| 3219-1100-100000 | 11 in. | 11" QF In Line Back Draft Damper - Galvanized 18 Gauge - 25.5" Length. B7" | $701.42 | | |
| 3219-1100-200000 | 11 in. | 11" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 25.5" Length. B7" | $1,202.84 | | |
| 3219-1200-100000 | 12 in. | 12" QF In Line Back Draft Damper - Galvanized 18 Gauge - 26.5" Length. B7" | $701.42 | | |
| 3219-1200-200000 | 12 in. | 12" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 26.5" Length. B7" | $1,202.84 | | |
| 3219-1300-100000 | 13 in. | 13" QF In Line Back Draft Damper - Galvanized 18 Gauge - 32.5" Length. B12" | $773.94 | | |
| 3219-1300-200000 | 13 in. | 13" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 32.5" Length. B12" | $1,326.48 | | |
| 3219-1400-100000 | 14 in. | 14" QF In Line Back Draft Damper - Galvanized 18 Gauge - 33.5" Length. B12" | $773.94 | | |
| 3219-1400-200000 | 14 in. | 14" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 33.5" Length. B12" | $1,326.48 | | |
| 3219-1500-100000 | 15 in. | 15" QF In Line Back Draft Damper - Galvanized 18 Gauge - 34.5" Length. B12" | $845.98 | | |
| 3219-1500-200000 | 15 in. | 15" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 34.5" Length. B12" | $1,449.96 | | |
| 3219-1600-100000 | 16 in. | 16" QF In Line Back Draft Damper - Galvanized 18 Gauge - 43.5" Length. B20" | $845.98 | | |
| 3219-1600-200000 | 16 in. | 16" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 43.5" Length. B20" | $1,449.96 | | |
| 3219-1700-100000 | 17 in. | 17" QF In Line Back Draft Damper - Galvanized 18 Gauge - 44.5" Length. B20" | $931.44 | | |
| 3219-1700-200000 | 17 in. | 17" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 44.5" Length. B20" | $1,596.12 | | |
| 3219-1800-100000 | 18 in. | 18" QF In Line Back Draft Damper - Galvanized 18 Gauge - 45.5" Length. B20" | $931.44 | | |
| 3219-1800-200000 | 18 in. | 18" QF In Line Back Draft Damper - 304 Stainless Steel 18 Gauge - 45.5" Length. B20" | $1,596.12 | | |
| 3219-2000-100000 | 20 in. | 20" QF In Line Back Draft Damper - Galvanized 16 Gauge - 47.5" Length. B20" | $1,062.59 | | |
| 3219-2000-200000 | 20 in. | 20" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 47.5" Length. B20" | $1,821.36 | | |
| 3219-2200-100000 | 22 in. | 22" QF In Line Back Draft Damper - Galvanized 16 Gauge - 49.5" Length. B20" | $1,314.82 | | |
| 3219-2200-200000 | 22 in. | 22" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 49.5" Length. B20" | $2,253.93 | | |
| 3219-2400-100000 | 24 in. | 24" QF In Line Back Draft Damper - Galvanized 16 Gauge - 51.5" Length. B20" | $1,479.03 | | |
| 3219-2400-200000 | 24 in. | 24" QF In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 51.5" Length. B20" | $2,535.08 | | |
| 3219-2600-100000 | 26 in. | 26" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 57.5" Length. B24" | $1,587.18 | | |
| 3219-2600-200000 | 26 in. | 26" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 57.5" Length. B24" | $2,720.21 | | |
| 3219-2800-100000 | 28 in. | 28" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 59.5" Length. B24" | $1,652.67 | | |
| 3219-2800-200000 | 28 in. | 28" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 59.5" Length. B24" | $2,832.83 | | |
| 3219-3000-100000 | 30 in. | 30" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 61.5" Length. B24" | $1,839.57 | | |
| 3219-3000-200000 | 30 in. | 30" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 61.5" Length. B24" | $3,153.27 | | |
| 3219-3200-100000 | 32 in. | 32" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 63.5" Length. B24" | $1,960.97 | | |
| 3219-3200-200000 | 32 in. | 32" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 63.5" Length. B24" | $3,361.41 | | |
| 3219-3400-100000 | 34 in. | 34" FLANGE In Line Back Draft Damper - Galvanized 16 Gauge - 65.5" Length. B24" | $2,092.12 | | |
| 3219-3400-200000 | 34 in. | 34" FLANGE In Line Back Draft Damper - 304 Stainless Steel 16 Gauge - 65.5" Length. B24" | $3,586.17 | | |
