Cliplight Super Seal Advanced 944KIT - Permanently Seals & Prevents Leaks in A/C & Refrigeration Systems - 1.5-5 TONS MADE IN USA - America's Most Trusted AC/R Stop Leak. Super Seal ADVANCED with DRY R - 2 in 1 product. Permanently seals & prevents leaks in all air conditioning and refrigeration systems. DRY R eliminates moisture & increases system efficiency. Compatible with all oils & refrigerants, Hose included.