2017 was a great year for DK-LOK®! When it comes to high quality leak tight connections and fluid control, choose DK-LOK®! We have the connection types you need for your media transfer and control. Let us make your 2018 great! DK-LOK® desires not only to meet your expectations but to always exceed them. Let us present our recently completed ASTM F-1387 TUV Rhineland certified intermix compression tube fitting testing with the current dominant market brand. We can impact your bottom line positively with high quality products at the lowest cost of ownership. DK-LOK®!