1/8 Brass Square Head Nut for Heaters
1/8 Brass Square Head Nut for Hot tub and also Pool Heaters. The 1/8 brass nut is used for hot tubs and spas as a drainage plug. This strong and durable nut is made from brass and is 1/8″ or 3cm. The brass will also stand up to the corrosion caused by hot tub and spa chemicals.