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Rate (CFH): Measured Positive Leak Rate (CFH): Measured Negative Leak Rate (CFH): Positive Cracking Pressure (in H2O): Negative Cracking Pressure (in H2O): Product: P/V Valve Manufacturer: Model Number: Pass Fail Manufacturers Specified Positive Leak Rate (CFH): Manufacturers Specified Negative Leak Rate (CFH): Measured Positive Leak Rate (CFH): Measured Negative Leak Rate (CFH): Positive Cracking Pressure (in H2O): Negative Cracking Pressure (in H2O): Product: P/V Valve Manufacturer: Model Number: Pass Fail Manufacturers Specified Positive Leak Rate (CFH): Manufacturers Specified Negative Leak Rate (CFH): Measured Positive Leak Rate (CFH): Measured Negative Leak Rate (CFH): Positive Cracking Pressure (in H2O): Negative Cracking Pressure (in H2O): 2.5" to 6" wc <=0.05 cfh @ 2" wc 2.5" to 6" wc <=0.05 cfh @2" wc 2.5" to 6" wc <=0.05 cfh 2" wc 2.5" to 6" wc <=0.05 cfh 2" wc 6" to 10" wc <=0.21 cfh @ 4" wc 6" to 10" wc <=0.21 cfh @ 4" wc 6" to 10" wc <=0.21 cfh @ 4" wc 6" to 10" wc <=0.21 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