... Enhance detection efficacy Durable material HKM Stainless Steel Funnel Filter System is safe, reliable, beautiful, environmental-friendly, ... , medicine and beverages, etc.HKM Stainless Steel Funnel Filter (filtration) System has the following advantages:Patent product: ... quickly and exactly.5. Durable material: The main fitting (the filter, the filter fastener, valve, fixture, filter cloth et al) ...