Cooling S-Coils:One-inch thick, low profile design. Every inch of coil surface is active exchange ... 1" MNPT fittings standard.OUTSTANDING PERFORMANCE: One-inch thick, low profile design. Every inch of coil surface is active exchange area ... Special sizes and configurations.•Heavier gauge tubing.•Zirconium, Hastelloy C ®, low carbon stainless steel, and other alloys available.•Fluoropolymer coatings for ...