AlphaTec® 4000 Oversleeves Ultrasonically Welded - Model 600 Innovative multi-layer chemical barrier technology
AlphaTec® 3000 Oversleeves Ultrasonically Welded and Taped - Model 600 Durable, comfortable multi-layer chemical barrier
AlphaTec® 2000 STANDARD Oversleeves Bound - Model 600 Superior breathable microporous laminate technology