Q: Not really understanding the measurements. It says it is 3/8", but says it has a 5/16" OD? Does that mean the ID is 3/8 and the OD is 5/16?
A: The filling tip is 3/8" and the tubing ID that feeds into it is 5/16" for the rigid tubing
Q: Can this filler tube be used for dry ingredients such as salt or sand?
A: If the partial size was small enough it may, but we sell these for use with liquids only, and cannot confirm or deny this. it would be use at your own risk if used for products other than liquids
Q: can I use this to fill 12oz and 22oz bottles?
A: This filler works with 12oz, 22oz and even 750ml wine bottles.
Q: Can this just be used with a gravity fed siphon hose like you would use to rack with?
A: Yes this filler will work with your standard siphon and siphoning tubing.
Q: Is this product long enough to fill wine bottles?
A: This product is long enough to fill 750ml wine and champagne bottles, and is commonly used for that purpose.