Polaris FFMJ 3-6' MiniJet Niche with Comet Nozzle is suitable for gunite private pools. Minijets might be attached inside the deck or swimming walls. Meant to project a steady stream of water at a 45 diploma viewpoint of flight for a range all the way to 13-foot through the patio or underneath the managing. The Polaris MiniJet is designed for mounting top to bottom in the pool wall structure slightly above water level