Duct Board Collars A3600 Series
3600 Series (for R6 Insulation)
| Part # | Description | Per Pack |
| A3604 | Start Collar (D.B) 4” R6 | 1 |
| A3605 | Start Collar (D.B) 5” R6 | 30 |
| A3606 | Start Collar (D.B) 6” R6 | 18 |
| A3607 | Start Collar (D.B) 7” R6 | 36 |
| A3608 | Start Collar (D.B) 8” R6 | 24 |
| A3609 | Start Collar (D.B) 9” R6 | 18 |
| A3610 | Start Collar (D.B) 10” R6 | 14 |
| A3612 | Start Collar (D.B) 12” R6 | 12 |
| A3614 | Start Collar (D.B) 14” R6 | 3 |
| A3616 | Start Collar (D.B) 16” R6 | 3 |
| A3618 | Start Collar (D.B) 18” R6 | 8 |
| A3620 | Start Collar (D.B) 20” R6 | 1 |
Duct Board Collars
D3600 Series (for R6 Insulation w/damper)
| Part # | Description | Per Pack |
| D3604 | Start Collar (D.B) 4” w/Damp R6 | 1 |
| D3605 | Start Collar (D.B) 5” w/Damp R6 | 30 |
| D3606 | Start Collar (D.B) 6” w/Damp R6 | 18 |
| D3607 | Start Collar (D.B) 7” w/Damp R6 | 36 |
| D3608 | Start Collar (D.B) 8” w/Damp R6 | 24 |
| D3609 | Start Collar (D.B) 9” w/Damp R6 | 18 |
| D3610 | Start Collar (D.B) 10” w/Damp R6 | 14 |
| D3612 | Start Collar (D.B) 12” w/Damp R6 | 12 |
| D3614 | Start Collar (D.B) 14” w/Damp R6 | 3 |
| D3616 | Start Collar (D.B) 16” w/Damp R6 | 3 |
| D3618 | Start Collar (D.B) 18” w/Damp R6 | 8 |
| D3620 | Start Collar (D.B) 20” w/Damp R6 | 1 |