Received an email earlier today with the coupon.
Also displayed as a banner on the website! (thanks bigcheese)
T&C's - Save $20 when you spend $100 or more at ecostore.com – includes Bulk and Clearance! Simply use code SAVE20 at checkout. Online only. Cart total must be equal to $100 or above before shipping fee is applied. Offer ends on 31st October 2022.
It's not targeted - available to everyone.
You can see the banner on the website "Save $20 when you spend $100. Use code SAVE20 at checkout. Offer ends 31/10/2022."