Cost reduction effect
| Dis-tinction | Before the use of a refinery device |
After the use of a refinery device | Comparison | |||
| Monthly use of edible oil | Purchase of edible oil | Monthly use of edible oil | Purchase of edible oil | Monthly used filters | Cost-saving | |
| Current state |
540 liters | $480 | 54 liters | $480 | $88 | $345 |
| Basis | 18 liters per day (30-working -day) |
18 liters | refinery after the first supply of 18 liters (refinery rate of 90%) |
54 liters | filter 1Box (480 liters refined) |
Saved cost = Purchase of edible oil - Purchase of edible oil at a time of using a refinery device - filter price |