Bivar PLP2 Series LED Light Pipes. The PLP2 series, from Bivar, are a family of rigid light pipes. They are panel mounted (front) with a 3mm round lens. The PLP2 series have a low profile face which makes them ideal for narrow applications where space may be llimited. The PLP2 are available in a range of lengths.. Features of the PLP2 series: Rigid light pipes for front panel mounting Avoids long RFI-emitting/sensitive connections to panel-mounted LEDs Provides uniform panel aesthetics and reduces assembly time Clear lens suitable for all LED colours Easy press-fit installation