10-Pack Chemical-Resistant Polypropylene Stoppers, 14/23 Base Shape_Rectangular Meker-style natural gas burner delivers

Meker-style natural gas burner delivers a broad

sized for student work spanning single-cell and small-battery-stack voltages

sized for short-reach high-current branched circuits where shielded-plug safety is required

Carefully lagged nickel-plated copper 3 by 2-inch inner cup inside a 4 by 2

matching the geometry of companion copper and iron rods for controlled thermal-conductivity comparisons

10-Pack Chemical-Resistant Polypropylene Stoppers, 14/23 Base Shape_Rectangular Meker-style natural gas burner deliversPack of 10 lightweight polypropylene stoppers fits 14 23 joints for sealing ground joint vessels with chemical and impact resistance.