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Compatible with Ryobi 18 Volt One+ batteries.
5-gallon bucket sold separately.
Dual Purpose Foot Design for Sitting on a bucket or to use on a flat surface with garden hose.
Works with 18-volt lithium-ion battery for up 2.5 hours of run time and to 7 hours of – runtime with 4.0 battery and fan on low.

Arctic Cove MBF0181 18-Volt Bucket Top Misting Fan Ryobi One+ Battery Compatible | Weekend Handyman