Plastic tray is plastic

Can also be used as poly bollard posts

Guardian AP400-004-2 Air Pressure Guage for G1562

They are often used by contractors

For room air conditioners

Parker Needle Valve, Straight, Brass, 1/4 In., FNPT - 4F-V6LK-B Nominal Size-30" X 1.5" Plastic tray is plasticGeneral Purpose,Packing above the stem thread (PAT) provides bubble tight shutoff. Cold formed body threads. Strain hardened stem threads. PTFE seals.,Tested in accordance with ISA S75. 02.,Brass, Max. pressure: 3000 psig CWP,Packing above the stem thread (PAT) provides bubble tight shutoff. Cold formed body threads. Strain hardened stem threads. PTFE seals.,Instrumentation Needle Valves