uxcell Pig Swine Livestock Water Drinking Nipples Waterer Drinkers 5pcs Color: Red,Silver Tone; Product Name: Pig Nipple Drinker Material: Stainless Steel, Plastic; Package Content: 5 x Pig Nipple Drinker Weight: 405g;Easily removed domed screen Thread Diameter: 20mm/1/2 BSP Total Size: 73 x 21mm/2.8" x 0.8"(L*Max.D)