Product Description Hunter I-90 Turf Cup When you want the perfect playing surface, insist on the I-90 Turf Cup Kit. Its just like the standard model but accommodates a plug of living turf on top of the riser, keeping the sprinkler out of sight when retracted. Specify I-90 Turf Cup Kit for golf greens and tees, grass tennis courts, bowling greens, croquet courts or any area requiring invisible sprinklers Click for Product Brochure