May 17, 2011 - Graver Technologies, LLC announces that NSF has tested and certified Graver Stratum A, Stratum C and MBC Series filters. Specifically these products were tested and certified by NSF International under ANSI/NSF Standard 61 as a drinking water system component.
NSF International is an independent, not-for-profit organization that conducts third-party conformity assessment services in the interest of protecting public health and safety. The NSF certification is widely regarded by water system OEM’s, municipal water treatment facilities, water bottlers, etc, as the required standard for the filters they purchase.
NSF/ANSI Standard 61 addresses crucial aspects of drinking water system components: whether contaminants that leach or migrate from the product/material into the drinking water are above acceptable levels in finished waters.
Graver Stratum Series and MBC Series melt blown depth filters are constructed of 100% pure polypropylene, contains no binders, adhesives or surfactants and all materials of construction are FDA listed for food and beverage contact and meet USP Toxicity tests for use in pharmaceutical applications. They feature a proprietary, molded cactus core for exceptional collapse strength and multiple filtration zones to accomplish pre and final filtration in a single element with low initial pressure drops and longer on-stream life than most competitive melt blown filter cartridges.
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