Female Luer Lock (FLL) – contains a tabbed hub for secure fitting to a threaded male luer lock.

Micro-Mate® Female Luer Lock (MMFLL) – designed and manufactured to reduce the stripping of threads which occurs when metal adapters are mated with plastic male luer lock adapters. Uniquely designed to facilitate easy cleaning and maintenance

Male Luer Lock (MLL) – male luer slip with a threaded sheath for a secure fitting to a female luer lock.

Male Luer (ML) – male luer slip that fits with a female luer.