We have designed the Disposable Breather with a BSP thread top and bottom on the new DAYWALK Disposable Breather you simply screw them into each other in series in groups of two without any additional fittings. Therefore, as it is in series, you have assurance that the air is being forced to travel through each one of those breathers.
The DAYWALK Disposable Breather range includes a high quality reusable stainless steel pressure equalizing valve. As the transformer line heats up, the pressure increases and air exhausts to atmosphere. As the transformer line cools, contraction occurs and the valve allows air to enter from atmosphere. This means that the DAYWALK Disposable breather won’t expire in storage before being used.