Tiffen 58mm Low Light Linear Polarizer Filter NAS Accessories 2" deep fully-enclosed drawer that

2" deep fully-enclosed drawer that can be installed in a 4U rack space

and edge to edge printing

you might consider marking them (there is a blank square on the bottom silkscreen you can use for this)

GND (RTS is the green cable and GND is black)

Thermostatic Fan Control

Tiffen 58mm Low Light Linear Polarizer Filter NAS Accessories 2" deep fully-enclosed drawer thatHelps to Eliminate Reflections and Glare Reduces Haze and Blue Cast in Landscapes Greater Color and Tonal Saturation Low Light Design Ideal for Indoor Use Rotating Filter Mount ColorCore Technology The Tiffen 58mm Low Light Linear Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non metallic surface. This results in a noticeable increase in the saturation of skies and