Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: 1 3/4 through hull fittings for boats without barb
Product list:
A: Perko 0322DP5PLB Thru-Hull Connection-Use with 3/4" Pipe
B: 3M Marine Adhesive Sealant Fast Cure 4200 (05260)  Semi-Permanent Flexible Adhesive Sealant for Boats and Marine Applications  White  3 Ounces - 51135052600
C: ISURE MARINE Stainless Steel Barbed Standard Length Straight Thru-Hull Marine Barbed Hose Thru Drain Connector 1" w/Nut Boat Plumbing Fittings for Boats, Yachts, Marine
Answer: A,C,B