Best Choice Fits Bosch CS-52 640565 NEW! 2 Pack Item model number BCF72External Testing CertificationNSF/Ansi 42/372MaterialLead-Free Material, Advanced Activate Coconut Carbon BlockProduct BenefitsReduces ChlorineFiltration Process: The filter material in this filter is a selected coconut shell carbon block, with 2x larger surface area and more micropores. The water passes through the pores of the filter, The water is further purified through two separate stages of ionization filtration that take place as the water passes through the carbon block to your refrigerator. The filter material in the Best Choice refrigerator filter improves the overall taste of your water Unlike the cheap and mixed carbon block.Safe and Secure with the best Certifications: Our filters are completely made with Lead-Free, BPA-Free and Food Grade materials, And its been verified by our NSF 42 Certification. And WQA, and IAPMO. Our carbon blocks have been independently tested to filter your water.No Leakage: No worries about water leakages, Best Choice filters have been manufactured to the exact designs and specifications as the original Brand filter, with a precision measurement technology to make sure that you get the EXACT same fit as the original brand. installation is easy and simple, will take no longer then 2 Min to install when you follow the instructions in the box.300 Gallons of Fresh Water: the filter filters up to 300 gallons of water, or recommended to change every 6 months for an average household. SHIPPINGWe are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. We offer free shipping to all 50 states. For shipping outside of the continental USA, we only use eBay’s Global Shipping Program. The item is shipped to an Ebay hub and then Ebay ships the item Globally. International customers are responsible for all duties and taxes. Continue to check out in order to calculate costs for shipping the item to your country. Messages regarding eBay’s Global Shipping Program MUST be directed at eBay EXCLUSIVELY. RETURNS We offer a 30-Day Return Policy on items which you are not completely satisfied with. You have the option for a full-refund or an exchange of the item. No returns are available on items shipped outside of the USA. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.