

3/4" vs 1/2" Alastin 316 Stainless Steel Thru-Hull Drain Connectors: Which Size Fits Your Boat?
Compare the Alastin 3/4" and 1/2" 316 stainless steel thru-hull drain connectors for marine plumbing and sanitation. Both are New, China-made, and share a Hatch part type; your pick comes down to port size and the USD 8.16 listed price gap.





























































