3" NPT Male Coupler Type B Brass - B3-BR-NPT .B. 1/2" sizes are only supplied with one locking arm. Connection/Thread Type: 3" MPN: B3-BR-NPT Product Code: B3-BR-NPT This is an online offer only for a Limited Time! Availability: In stock Only £38.43 incl VAT. Delivery available to UK/Europe |