The 7 Inch Reduced to 6 Inch 45 Degree Ethylene Propylene Diene M-class Compound Elbow is a practical and reliable solution for various applications. Made of rubber, this 45-degree elbow is designed to withstand temperatures ranging from -60°F to +300°F, making it suitable for a wide range of environments. With a vacuum collapse rating that exceeds 4 Hg. Mercury and compliance with the physical requirements of ASTM D2000 3BA715A14B13C12F17, this elbow ensures durability and performance. Sold individually, it is an ideal choice for Donaldson and Nelson breathers, offering exceptional functionality and reliability.