Edgetec O2 spa air injector - Light Grey. 33mm diameter. Hole size required - 17.5mm (with L gasket), or 16mm (silicon - no gasket)

Supplied with compensating alignment ring.

• The O² air injector is a multi hole air injector that gives an exhilarating air massage.
• The one piece moulded body ensures that it is leak proof and can be installed by one person.
• The O² air injector has a unique lip seal, which means that you do not have to use silicon inside the spa pool.
• The lock nut and compensating ring ensures that any undulation under the spa is compensated for, ensuring a water tight seal.