Description Specs FAQs With a flow rate of 1 GPM at 30 psi and a flat trajectory, the Vibro-Spray HF Sprinkler delivers extraordinarily high uniformity even under windy conditions. Its low price permits cost-effective conversion of large sprinkler areas. The Vibro-Spray HF Sprinkler is an excellent choice for nursery and other heavy foliage container crops and where wind drift is a problem for low volume sprinklers. The sprinkler can be mounted upright or upside down. It has a 1/2″ female pipe thread connection. With a flow rate of 1 GPM at 30 psi and a flat trajectory, the Vibro-Spray HF Sprinkler delivers extraordinarily high uniformity even under windy conditions. It’s low price permits cost effective conversion of large sprinkler areas. The Vibro-Spray HF Sprinkler is an excellent choice for nursery and other heavy foliage container crops and where wind drift is a problem for low volume sprinklers. The sprinkler can be mounted upright or upside down. It has a 1/2″ female pipe thread connection.