PollenMaster is an American made electric motor powered dry-sift tumbler designed for collecting botanical flower essences and cleaning seeds. PollenMasters are carefully hand crafted in our facility in Los Angeles, CA and constructed from top grade materials. The sturdy boxes are imported from Switzerland, based on a frame design, manufactured from molded, food grade Polypropylene that is heat and cold resistant for long lasting strength and durability. All machines have a 1 year warranty, are easy to clean, and feature fully accessible parts for effortless maintenance and repair.