Mini Auto siphon. Use with 1 gallon jugs, smaller fermenters or right-sized erlenmeyer flasksMore Info
From the product description, check product page for current description, price and availability:
Similar to the regular auto-siphon pump, but this mini-siphon pump fits easily into one gallon jugs. The regular Siphon pumps will not fit in the gallon jugs.
Mini Auto-Siphon – note that multiple variations of this product may be available, as such a different version may appear at this link