| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Approved Supplier | BOS 19-VL412 | 4-1/2" O.D. - Valve Leather |
| | Approved Supplier | BOS BLN-40110 | 4" x 11" Nipple - Black |
| | Approved Supplier | BOS BLN-40120 | 4" x 12" Nipple - Black |
| | Approved Supplier | BOS BLN-4035 | 4" x 3-1/2" Nipple - Black |
| | Approved Supplier | BOS BLN-4040 | 4" x 4" Nipple - Black |
| | Approved Supplier | BOS BLN-4045 | 4" x 4-1/2" Nipple - Black |
| | Approved Supplier | BOS BLN-4050 | 4" x 5" Nipple - Black |
| | Approved Supplier | BOS BLN-4055 | 4" x 5-1/2" Nipple - Black |
| | Approved Supplier | BOS BLN-4070 | 4" x 7" Nipple - Black |
| | Approved Supplier | BOS BLN-4080 | 4" x 8" Nipple - Black |
| | Approved Supplier | BOS BLN-4090 | 4" x 9" Nipple - Black |
| | Approved Supplier | BOS FREC-40 | 4" Ci/Plastic End Cap |
