From the product description, check product page for current description, price and availability:
- Revolutionary wide mouth eliminates the nightmare of cleaning and sanitizing. Stick your arm in to clean the entire inside with a swipe of a cleaning cloth.
- Superior to a carboy; A virtually indestructible fermentor
- Volume markers molded into the side of the vessel
- Uses a Standard-sized #6.5 Stopper (not included); ports that can accommodate most fermentation-monitoring equipment
- 6.5 Gallon fermenters are perfect for the primary stage of beer or wine fermentation. The extra head space allows for the production of krausen on a 5 gallon batch of beer.
Northern Brewer – Big Mouth Bubbler PET Plastic Carboy Fermenter With Wide Mouth Universal Single Port Lid For Fermentation Of Home Brewing And Wine Making (6.5 Gallon Plain) – note that multiple variations of this product may be available, as such a different version may appear at this link