Dead End Caps - Luer LockSterile caps designed to close blue and red ports after dialysis Non vented design without access port helps to reduce the risk of infection Crafted with wings for improved grip and control Packaged as 2 units per pouch, 1 red cap and 1 blue cap Not made with natural rubber latex or DEHP Dynarex Dead End Caps are sterile, non vented caps designed to close blue and red ports after dialysis, helping to reduce the risk of infection. Crafted with wings