Портативный мульти 2 Газовый Детектор аммиак и кислород (NH3, O2) для птичьих ферм

2Pcs NH38 Movement Standard NH3 Series Automatic Mechanical Watch Movt Parts for SII NH38/NH38A Watch Parts

VEVOR Oxygen Barrier PEX Tubing - 1/2 Inch X 900 Feet Tube Coil - EVOH PEX-B Pipe for Residential Commercial Radiant Floor Heating Pex Pipe (1/2" O2-Barrier, 900Ft/Red)

VEVOR 3/4" X 500Ft PEX Tubing Oxygen Barrier O2 EVOH Pex-B Red Hydronic Radiant Floor Heat Heating System Pex Pipe Pex Tube (3/4" O2-Barrier, 500Ft/Red)

Triad-Orbit O2 Dual-Arm Orbital Boom

VIA new / PAD / GEL / EMI / O2