How much does this cost to the nearest dollar?

Alphacool 17282 Eiszapfen Quick Release Connector kit G1/4 Inner Thread - Deep Black Water Cooling Fittings
Alphacool's new quick couplers with the name Eiszapfen are the next block in the Eis series. High quality and impressive features makes any watercooling system back to a piece of high-quality and practical! A quick coupling is used everywhere where expandability, flexibility and cleanness play an important role. These compact couplings have a 1/4 thread on both sides with which they are compatible with all standard connections. By pulling down the outer ring these couplings can be disconnected. Both sides close immediately completely tight so that no water can escape. Thanks to the special N.D.S.L. Technology (no drip, no splash

Price is $31.00
Price: $31