From the product description, check product page for current description, price and availability:

• Made of 316 stainless steel and pure copper
• Quickly chills your wort to pitching temperature
• Dimensions: 13″ L x 3″ W x 2″ H
• Wort Side Fittings: 1/2″ male NPT
• Water Side Fittings: 3/4″ male garden hose thread

“Reduce your wort to pitching temperatures quickly with this highly effective stainless wort chiller. With a design similar to that of the therminator, this Shirron chiller is made of 10 stainless steel plates that have been brazed together with pure copper in an oxygen-free furnace. It’s a counter flow wort chiller, equipped with threaded male hookups for the wort and male garden hose fittings for the wastewater which makes it possible for your wort to be pumped or gravity fed. Features: Made of stainless steel and pure copper. Quickly chills your wort to pitching temperature. Helps prevent wort oxidation. Lowers dimethyl sulphoxide levels. Greatly reduces bacteria. Specs: Dimensions: 13″ L x 3″ W x 2″ H. Wort side fittings: 1/2″ male NPT. Water side fittings: 3/4″ male garden hose thread.”