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Daulco 8001D-18-1 is an "01" size miniature cartridge check valve made from 303 stainless steel with 1-2 psi crack pressure. Reliably tested and available at other crack pressures. -
Daulco 8003D-18-1 is an 03 size miniature cartridge check valve made from 303 stainless steel with 1-2 psi crack pressure. Reliably tested and available at other crack pressures.
