Return to Pool Outlet 40mmIntroducing the Return to Pool Eyeball Outleta front entry insert designed for fibreglass pools and spas that puts control back in your hands. Sized at 40mm, this versatile eyeball outlet fits standard returns and delivers dependable water return with a clean, low profile profile that blends with any pool finish. Why this eyeball outlet stands out: 40mm fitment ensures compatibility with common fibreglass pool and spa return fittings, making