Find great deals on eBay for half inch hose. Shop with confidence. Skip to main content. eBay Logo: ... ADAPTER,STRAIGHT,TUBE TO HOSE, half inch thread,comes apart See more like this. Parker Hydraulic Collets for 1/2 " hose - half inch. Pre-Owned. ... Rain Bird SP25H-25 2-1/2-inch Half Circle Sure Pop Pop Up Sprinklers. Brand New · Rain Bird.