Liquid envelope moistener formulated to provide steady, reliable sealing performance for bulk mailing tasks Ready to use with no mixing needed Compatible with DM series systems and other postage meter equipment Made to help reduce residue buildup during use Designed to help minimize clogging and support smoother machine operation Half-gallon size (64 oz) offers a larger supply for ongoing mailing needs Suitable for use in a range of mailing equipment, including replacement use for brand-name machines