Hygrozyme (aka Grozyme) Size:4 L ThermoFlo Technologies SRB series is Bio Vega Base Type Mogul Screw Size:75 - 600cfm 845268001310

ThermoFlo Technologies SRB series is an industrial quality insulated duct manufactured tough for consumers' and installers' peace of mind

Note: big price hike so you might see some of the sizes vs price not make sense till things shake out

Temperature accuracy: +- 1

for Horticulture quality mark

Controls any 120Vac equipment such as pumps or fans on a periodic repeat cycle

Hygrozyme (aka Grozyme) Size:4 L ThermoFlo Technologies SRB series is Bio Vega Base Type Mogul Screw Size:75 600cfm 845268001310 ThermoFlo Technologies SRB series is an industrial quality insulated duct manufactured tough for consumers' and installers' peace of mind Note: big price hike so you might see some of the sizes vs price not make sense till things shake out