The units have been sold for a consideration of $35.3 million.
SEE:Enviro-Hub subsidiary Pastel Glove gets approval to produce medical-grade gloves
The option was granted on May 14 and has been exercised by Extra Space Hillview on May 18.
The property is a freehold property with a strata area of 9,690 square metres and is currently being used by QF 4 to generate rental income from leases to tenants.
The total rental income of these existing tenancies amount to around $90,000 per month.
Shares in Enviro-Hub closed 0.6 cent higher or 7.6% up at 8.5 cents on May 18.