For your consideration..one brand new pair of Emission Labs 45 ST tubes. These tubes are highly desired by both manufacturers and audiophiles alike. All Emission Labs tubes tubes feature extraordinary construction, and also feature the finest glass available anywhere in the world! TubesUSA accepts Paypal, Certified Check, Money Order or Personal Check. Personal Checks are held until they clear. The tubes carry a manufacturer's warranty of one year from date of purchase. Visit TubesUSA.com and check out the complete line of Emission Labs tubes, or call us at 516-902-3334 for any advice or questions that you may have.