... requirements. Specificattion list:(Flange Type: BRH-A):BRH15A,BRH20A,BRH25A,BRH30A,BRH35A,BRH45A,BRH55A.(Square Type:BRH-B):BRH15B,BRH20B,BRH25B ... ,BRH30B,BRH35B,BRH45B,BRH55B(Flang Long Type:BRH-AL)BRH15AL, ... BRH20AL,BRH25AL,BRH30AL,BRH35AL,BRH45AL,BRH55AL.(Square Long Type:BRH-BL)BRH15BL,BRH20BL,BRH25BL,BRH30BL,BRH35BL,BRH45BL, ...