Btlas is a brand under Gu'an Xinhuida Filter Co. , Ltd.Btlas is a professional filter cartridge manufacturing supplier based in Langfang Gu'an, China, established in 2013. Btlas is committed to providing you with the highest quality and most cost-effective products. The filter cartridges produced by Btlas can serve as replacements for major brands, and Btlas can be interchanged with domestic and international filter cartridge manufacturers in terms of functionality and dimensions. Additionally, Btlas provides customized design and production of filter cartridges based on customer requirements, along with technical support and after-sales services, to meet specific customer needs.