These compact distribution blocks are great for plumbing multiple stages or in any application that is space limited. They feature an integrated 1/8npt male inlet so you can screw the distribution block directly into the solenoid. They accept 5/16-24 outlet fittings which have a large ID to maximize flow. (Note: Does not include outlet fittings) Needs part# 16150 for AN outlet fittings. Needs part# 16149c for compression outlet fittings.