D & D Instruments buys Expello/Stark line
According to an agreement it made with Horton Inc., D & D Instruments now owns the rights to all products in the Expello/Stark air system product group. "Expello products are a great addition to the D & D Instruments catalog," said D & D president Chuck Selby. "We have rigid requirements for items we offer, because our customers expect great product performance. The durability and reliability of Stark