D-2050K-CFM (Apollo-Conbraco) | 2 Deringer 50 BF Cfm W/Fittings | Lead Free | Grooved X Grooved

D-2530-CFM (Apollo-Conbraco) | 2-1/2 Deringer 30 BF Cfm Dcda-Ii | Lead Free | Grooved X Grooved

D-2520G (Apollo-Conbraco) | 2-1/2 Deringer 20 Osy (Dc) | Lead Free | Flanged X Flanged

D-2520 (Apollo-Conbraco) | 2-1/2 Deringer 20 BF (Dc) | Lead Free | Grooved X Grooved

D-2050K-LM (Apollo-Conbraco) | 2 Deringer 50 BF LM W/Fittings | Lead Free | Grooved X Grooved

D-2050K-GPM (Apollo-Conbraco) | 2 Deringer 50 BF Gpm W/Fittings | Lead Free | Grooved X Grooved

D-2040K (Apollo-Conbraco) | 2 Deringer 40 BF (Rp) W/Fittings | Lead Free | Grooved X Grooved

D-2030K-LM (Apollo-Conbraco) | 2 Deringer 30 BF LM W/Fittings | Lead Free | Grooved X Grooved

D-2030K-GPM (Apollo-Conbraco) | 2 Deringer 30 BF Gpm W/Fittings | Lead Free | Grooved X Grooved

D-2030K-CFM (Apollo-Conbraco) | 2 Deringer 30 BF Cfm W/Fittings | Lead Free | Grooved X Grooved

D-2020K (Apollo-Conbraco) | 2 Deringer 20 BF (Dc) W/Fittings | Lead Free | Grooved X Grooved

D-18-PO (Io HVAC Systems) | Round 18 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-16-PO (Io HVAC Systems) | Round 16 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-18 (Io HVAC Systems) | 18 Rnd Two Position Zone Damper - 2 W | IO HVAC Control | Damper

D-16 (Io HVAC Systems) | 16 Rnd Two Position Zone Damper - 2 W | IO HVAC Control | Damper

D-14 (Io HVAC Systems) | 14 Rnd Two Position Zone Damper - 2 W | IO HVAC Control | Damper

D-14-PO (Io HVAC Systems) | Round 14 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-12-PO (Io HVAC Systems) | Round 12 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-12 (Io HVAC Systems) | 12 Rnd Two Position Zone Damper - 2 W | IO HVAC Control | Damper

D-10-PO (Io HVAC Systems) | Round 10 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-10 (Io HVAC Systems) | 10 Rnd Two Position Zone Damper - 2 W | IO HVAC Control | Damper

D-09-PO (Io HVAC Systems) | Round 9 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper

D-09 (Io HVAC Systems) | 9 Rnd Two Position Zone Damper - 2 Wi | IO HVAC Control | Damper

D-08-PO (Io HVAC Systems) | Round 8 Fresh Air Damper | 24V | Po/Sc | IO HVAC Control | Damper