Wobblers are great overhead sprinklers for both the field and inside hoop houses. Each 1/2" head comes with a grey nozzle.
A single head will cover a 25' x 25' area at 20psi
Each sprinkler head is 1.8gpm at 10psi, 2.2gpm at 15psi, 2.5gpm at 20psi and 2.8 at 25psi
Wobblers from Senninger. The best made.