Zilmet has created a compact design with a seamless diaphragm that never stretches or creases. There are no bubbles or corners to trap sediment, inhibiting bacterial growth. Read More: https://www.aquascience.net/
The Zilmet 304 Stainless Steel expansion tanks with a food grade internal membrane, are fit for all applications near coastal areas where the presence of brackishness or harsh chemical environments that rapidly corrode all parts made of plain steel.