Rain Bird 5004 rotore 2.0 ugello cerchio parziale 4 pollici Riser con valvola di ritegno SAM

Rain Bird 5004 Rotor 2.0 Nozzle Part-Circle 4 in. Riser w/ SAM Check Valve. Riser Height: 4 in. Nozzle Size: 2.0. Special Features: SAM (Seal-A-Matic) Check Valve. SAM Check Valve: Prevents low-head drainage, conserving water effectively.

eBay