Tranzwear leave the tube extended on all of their STPs, to allow the customer to make adjustments as to how far the receptacle extends off the ball sac side for the seal against your body.

The tube can also be removed for Mr Limpy to be worn simply as a packer. 

The Cyclone is made with a latex-free medical grade clear flexible tubing. The Silicone receptacle is comfortable wearing it as a packer. The outer receptacle is a silicone fast-flow receptacle that is 2" wide, with the tubing 5/8" wide.