Required and replacement accessories for Protector filtered fume hoods. These accessories are for use with Labconco Protector Echo® and Airo® filtered fume hoods. For all filters and prefilters: The number of filters/prefilters required depends on the width of the hood and if it is an initial order or a replacement order.

Neutrodine Unisorb molecular carbon filter for multi-purpose use with acids/bases/solvents, separated or combined. Compatible with over 700 chemicals.
HEPA filter, 99.995% efficient, H14 type.

Replacement roughing prefilter, located in light box.
Replacement acid roughing prefilter, located in light box. Treated for use with acids.
Replacement ammonia roughing prefilter, located in light box. Treated for use with ammonia.

Acid gas sensor is required for proper hood function on models with acid sensor. Replacement is required after hood alarm alerts user that shelf-life has been met (approximately 2 years).

Formaldehyde gas sensor is required for proper hood function on models with formaldehyde sensor. Replacement is required after hood alarm alerts user that shelf-life has been met (approximately 2 years).