IMG_1599 (1)Published June 28, 2023 at dimensions 2560 × 2560 in 1/4″ x 1/4″ BSP Female Coupler. https://i0.wp.com/theheatworks.com/wp-content/uploads/2023/06/IMG_1599-1.png?fit=1024%2C1024&ssl=1 1/4″ x 1/4″ BSP Female Coupler