A 4" stainless steel high vacuum trap with NW25 flange connections set at a right angle configuration. Includes one filter element (see element choices below). Traps also come in a straight through design. Also available with hose terminations. Features Positive Flow No blow-by Variety of elements Positive trapping Easy changing and cleaning Specifications Type: Right Angle Housing Material: Stainless Steel Connections: NW 25 Dimensions: 8" H x 4" W Choose from these Elements: stainless steel gauze copper gauze molecular sieve SodaSorb activated charcoal PolyPro (2, 5, and 20 microns) Benefits Versatile foreline trap prevents contaminants from entering the vacuum pump and protects the system from pump fluid contamination. The flow of the effluent gas is directed through the inlet port to the filter elements. Filter elements are sealed at both the inlet and the exhaust ends, eliminating blow-by and maintaining a positive flow through the elements. One element is required in the 4" traps. All prices are in US$. Website pricing is good only for the USA and Canada. Please call for International pricing.