The Bacharach Fyrite Classic combustion analyzer uses absorbing fluids to measure the concentrations of
carbon dioxide or oxygen. The need to replace fluid can be easily determined with a simple test, and
replacement is an easy procedure. These refills include three bottles of fluid and are available in
different concentration ranges.
Fyrite Classic repair kits are also available. Repair kits include: one bottle of Fyrite
refill fluid, valve plunger gasket, top gasket, screws, diaphragm, and envelope of filtering material.