This water filter cartridge is made in the USA by Omnipure size of 10″ x 2.5″ is suitable for various categories such as water filters, water purification & soda makers, small kitchen appliances, kitchen, dining & bar, and home & garden. The brand of the cartridge is Omnipure and the model number is OMB934XF. Now Choose from 1Pack -4Pack or 20 Pack , saved money by ordering in bulk TECH SPECS10 Micron10,000 GallonsNSF 42 CertifiedP/N: OMB934XF