Table 1. Bill of materials for single pump assembly.
| Component | Supplier (Part Number) | Price | Quantity | Total Cost |
|---|---|---|---|---|
| Pelican Case 1150 | Pelican (1150) | $42.95 | 1 | $42.95 |
| Firm Polyethylene tubing for Air and Water (0.125″ID, 0.25″OD; 25 ft) | McMaster-Carr (5648K74) | $19.00 | 1 | $19.00 |
| Quick-disconnect Receptacle | McMaster-Carr (5012K19) | $6.37 | 2 | $12.74 |
| Quick-disconnect Plug | McMaster-Carr (5012K53) | $9.49 | 2 | $18.98 |
| 12V Custom Diaphragm Pump (0.23L/min) | KNF (PML17183-FF20 IP40) | $163.00 | 1 | $163.00 |
| Battery | Expert Power (EXP1213) | $19.99 | 1 | $19.99 |
| Automatic Trickle Battery Charger 12V 1000mA | Foval (BC01B-1) | $20.98 | 1 | $20.98 |
| Waterproof Switch, SPST with wire leads | Mouser (IPR1FAD2) | $34.57 | 1 | $34.57 |
| Molex Perma-Seal butt splice Connectors 18-22 AWG (50-pack) | Mouser (19164-0811) | $20.12 | 1 | $20.12 |
| Molex Perma-Seal Female Terminals 18-22 AWG | Mouser (19164-0017) | $1.03 | 2 | $2.06 |
| Total Pump Cost: | $354.39 | |||
| *All pricing as of May 2022 | ||||