Features of Gifford-McMahon Cryorefrigerators:
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• Warranty of 3 years or 8,000 hours, whichever comes first
• Mean time between maintenance is 10,000 hours
• Perfect for recondensing cryogens in the temperature range of 25 to 125K

Gifford-McMahon Cryorefrigerators

AL10 (10W @ 80K) AL25 (25W @ 80K) AL60 (60W @ 80K) AL63 (18W @ 30K) AL125 (125W @ 80K) AL200 (200W @ 80K) AL230 (60W @ 30K) AL300 (300W @ 80K) AL330 (94W @ 30K) AL325 (100W @ 25K) AL600 (600W @ 80K)