The world's lightest carbon filters, at less than half the weight of competitors, Phresh® Filters are easier to handle, install, transport and remove. Phresh Filter uses only Grade RC-48 carbon are a perfect combination of granulate size, carbon surface area and carbon bed depth. Phresh® Filters are used by labs, plant breeding, germplasms, tissue culture and commercial greenhouses for their total airstream filtration requirements. This professional-grade equipment is now available to hobbyists world-wide. Control your growing environment with the best filters available on the market. Discover the difference and buy a Phresh Filter from Plant Lighting Hydroponics today!