Bull Moose Tube Eddylite is a lightwall threadable pipe manufactured in NPS 1” through 2”. Eddylite is a truly unique product within the fire protection industry. This product has been engineered to provide lower cost fire protection systems without compromising service life, adequate wall thickness, or standard outside diameter. Eddylite is manufactured to meet the requirements of ASTM A135 and A795 specifications. This pipe product has been fully approved by Factory Mutual, and listed by Underwriters Laboratories (for U.S. and Canada) for use in fire protection systems with a working pressure of 300 psi or less.