QUESTION: How do you use the funnel? ANSWER: There are three easy steps: 1. Insert funnel into item to be filled. Keep funnel level. 2. Pour fuel into funnel but not directly onto filter. 3. Dump the sump. Water and debris will collect in the sump, the area below the filter. Pour sump contents into separate approved container and treat as hazardous waste. Note: As water collects in bottom of funnel or if flow rate slows, stop refueling and dump the sump. Funnel requires no cleaning.