1/8" x 1/8" Duckbill Check Valves
| Diaphragm/Body | Size | |
| CD-03-S47N | Silicone/Kynar | 1/8" x 1/8" |
| CD-03-S45C | Silicone/Polycarbonate | 1/8" x 1/8" |
| CD-03-S43N | Silicone/Nylon | 1/8" x 1/8" |
| CD-03-S41N | Silicone/Polypropylene | 1/8" x 1/8" |
3/16" x 3/16" Duckbill Check Valves
| Diaphragm/Body | Size | |
| CD-05-S47N | Silicone/Kynar | 3/16" x 3/16" |
| CD-05-S45C | Silicone/Polycarbonate | 3/16" x 3/16" |
| CD-05-S43N | Silicone/Nylon | 3/16" x 3/16" |
| CD-05-S41N | Silicone/Polypropylene | 3/16" x 3/16" |
Reducing Duckbill Check Valves
3/16" x 1/8" Reducing Duckbill Check Valves
| Diaphragm/Body | Size | |
| CD-0503-S47N | Silicone/Kynar | 3/16" x 1/8" |
| CD-0503-S45C | Silicone/Polycarbonate | 3/16" x 1/8" |
| CD-0503-S43N | Silicone/Nylon | 3/16" x 1/8" |
| CD-0503-S41N | Silicone/Polypropylene | 3/16" x 1/8" |
