Whale Purge Pumps provide an easy-to-use, high-quality, economical solution for purging, sampling and well development to a depth of 60ft (18m). Its 1.58" (40mm) diameter is ideal for use in 2" or larger monitoring wells. Used and trusted within the groundwater industry for more than 15 years Recommended by drillers, hydrologists and field technicians High quality at a competitive price Practical for dedicated use and disposal Ready to use. Supplied with heavy gauge cable to reduce voltage drop (Super Purger) Hermetically sealed electric connectors (Super Purger) Cuts labour costs and saves time Completely pre-assembled and packaged with leads and alligator clips Attach 1/2" (13mm) or 3/8" (11mm) tubing and lower into well Connect leads to 12V DC power source and pump is energized Whale Mini Purge Pump $97.95 Whale Super Purge Pump $169.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.