Astria Horizontal Termination Kit with 90 Degree Elbow SV4.5TK90HT2Astria Horizontal Termination Kit with 90 Degree Elbow SV4. 5TK90HT2 Product Details What advantages does the Astria Horizontal Termination Kit with 90 Degree Elbow offer for a direct vent system, particularly in terms of flexibility and efficient exhaust management? The Astria Horizontal Termination Kit with a 90 Degree Elbow provides several advantages for direct vent systems, particularly in flexibility and efficient exhaust management. The 90