Optional 12 Volt fan for use with Sun-Mar non-electric composting units. The fan is incorporated into a section of 4 in. vent pipe for easy installation in the vent stack. The fan improves evaporation of excess moisture and helps insure the composting unit maintains a negative pressure.
Quiet operation
Ensures odorless operation
1.4-Watt
Only for use with Sun-Mar non-electric units
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