HRS §490:2-315
When a seller must provide goods that fit your specific need
If you tell a seller what you need the goods for and rely on their expertise to pick them, the law implies a promise that the goods will work for that purpose, unless the seller properly excludes or changes this promise.
buyers
The statute, as written — Implied warranty: fitness for particular purpose
Where the seller at the time of contracting has reason to know any particular purpose for which the goods are required and that the buyer is relying on the seller's skill or judgment to select or furnish suitable goods, there is unless excluded or modified under the next section an implied warranty that the goods shall be fit for such purpose.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.