Exhibit 12

Pall Corporation and Subsidiaries
Computation of Ratio of Earnings to Fixed Charges
(amounts in thousands, except ratios)

	Fiscal Year Ended
	July 31, 2011			July 31, 2010			July 31, 2009			July 31, 2008		July 31, 2007
Determination of Earnings:
Earnings before income taxes	$	419,522		$	327,721		$	270,786		$	325,555	$	260,529
Fixed charges		37,746			31,335			47,887			61,210		65,392
Amortization of capitalized interest		167			218			246			342		476
Capitalized interest		(404	)		(225	)		(489	)		-		-
Total earnings as defined	$	457,031		$	359,049		$	318,430		$	387,107	$	326,397
Determination of Fixed Charges:
Interest Expense (*)	$	26,055		$	19,910		$	36,864		$	50,937	$	56,837
Rents (**)		11,287			11,200			10,534			10,273		8,555
Capitalized interest		404			225			489			-		-
Total fixed charges	$	37,746		$	31,335		$	47,887		$	61,210	$	65,392
Computation of Ratio of Earnings to
Fixed Charges		12.1			11.5			6.6			6.3		5.0

(*)	Interest expense includes the amortized premiums, discounts and capitalized expenses related to indebtedness.
(**)	Rents included in the computation consist of one-third of rental expense.