Mishimoto Coupler MMCP-3035BK.
Mishimoto MMCP-2SRD Mishimoto 2.00-in Silicone Coupler
Mishimoto MMCP-225SBK Mishimoto 2.25-in Straight Coupler Various Colors
Mishimoto MMCP-35SBK Mishimoto 3.5-in Straight Coupler Various Colors
Mishimoto MMCP-2SBK Mishimoto 2.00-in Silicone Coupler
Mishimoto MMCP-1375SBK Mishimoto Straight Coupler 1.375-in - Various Colors
Mishimoto MMCP-3090BK Mishimoto 3.0-in 90 Degrees Coupler - Various Colors