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Thousand Oaks Optical (Popularity:  )
http://www.thousandoaksoptical.com/
Solar filters, solar eclipse viewers, H-Alpha filters and nebular filters.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Excel Water Filters (Popularity: )
http://www.excelwater.com
Offers reverse osmosis home water filters, softeners, and purification products.
Category:
Shopping - Home and Garden - Kitchen and Dining - Water Treatment
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Domestic Filters (Popularity: )
http://www.domestic-filters.co.uk
Offers water filters, UV water treatment units and replacement cartridges
Category:
Shopping - Home and Garden - Kitchen and Dining - Water Treatment
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pureflow water filters (Popularity: )
http://www.pureflow.co.uk
online sales of domestic water filters and replacement filters for the UK market
Category:
Shopping - Home and Garden - Kitchen and Dining - Water Treatment
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Water Filters (Popularity: )
http://www.waterfilters.net
Offering water filters and replacement cartridges from Culligan, Ametek, American Plumber and USFilter.
Category:
Shopping - Home and Garden - Kitchen and Dining - Water Treatment
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Related:
Telescope
- Telescope Accessories
- Cheap Telescope
- 8 Inch Telescope
- Telescope Advice
Air Filters Direct (Popularity: )
http://www.air-filters-direct.com/
Manufacturer offers several factory direct anti-microbial electrostatic and HEPA air filters.
Category:
Shopping - Home and Garden - Climate Control - Air Cleaners
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Filters-Now.Com (Popularity: )
http://www.filters-now.com/
Offers 3M Filtrete and MicroFine filters for home and office.
Category:
Shopping - Home and Garden - Climate Control - Air Cleaners
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Spa Filters Direct (Popularity: )
http://www.spafilters.com
Replacement filters for all brands.
Category:
Shopping - Home and Garden - Swimming Pools and Spas - Supplies and Accessories
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K&N Performance Filters (Popularity: )
http://atvfilters.com
Replacement air and oil filters designed to add power and torque while protecting ATV engines.
Category:
Shopping - Vehicles - Motorcycles - Parts and Accessories
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International Filters and Accessories (Popularity: )
http://www.internationalfilters.com
Specializing in hard to find air, oil, and fuel filters.
Category:
Shopping - Vehicles - Parts and Accessories - Makes and Models
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CM Filters (Popularity: )
http://www.cmfilters.com
Produces high-performance automotive oil and fuel filters, for sale online.
Category:
Shopping - Vehicles - Parts and Accessories - Engine
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ITG Air Filters (Popularity: )
http://www.itgairfilters.com/
Makes and sells a full range of air filters for passenger and racing cars and motorcycles. Also offers custom manufacturing of air filter products.
Category:
Shopping - Vehicles - Parts and Accessories - Engine
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The Hubble Space Telescope Project (Popularity: )
http://hubble.gsfc.nasa.gov/
Learn all about the Hubble Space Telescope - its operations, upgrades, and discoveries.
Category:
Science - Technology - Space - NASA
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Kemo Filters (Popularity: )
http://www.kemo.com
Kemo produce a wide range of electronic signal filters, from simple filter modules to complex computer controlled multi-channel systems with gain.
Category:
Science - Physics - Electromagnetism - Resources and Equipment
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Visible and Infrared Telescope for Astronomy (VISTA) (Popularity: )
http://www.vista.ac.uk/
[ground] a 4-m Wide Field Survey telescope for the Southern Hemisphere. It will be sited on Cerro Paranal, Chile.
Category:
Science - Astronomy - Institutions - Observatories
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Advanced Telescope Systems (Popularity: )
http://www.advancedtelescope.com/
Portable and permanent telescope piers in custom sizes and heights. Custom manufactures accessories for special customer needs.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Sean's Astronomy Shop (Popularity: )
http://www.seansastronomyshop.com/
Open from 4pm until midnight, allowing customers to try out any telescope before purchasing. Offers classes on astronomy, the history of space flight and rocketry. Located in Washington.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Filters and Industrial energy saving (Popularity: )
http://www.polyfilters.com
Polyfilters supplies horizontal vacuum belt filters for process filtration and effluent sludge dewatering. Also Powerboss - energy saving for industrial electric motors.
Category:
Science - Environment - Water Resources - Products and Services
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Precision Filters Inc. (Popularity: )
http://www.pfinc.com/
Suppliers of electronic filters, signal conditioning, signal switching, and data acquisition products.
Category:
Business - Electronics and Electrical - Instrumentation - Data Acquisition and Control
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Kemo Signal Filters (Popularity: )
http://www.kemo.com/
Kemo filters, from simple filter module to complex multi-channel filters for precision data acquisition systems.
Category:
Business - Electronics and Electrical - Instrumentation - Data Acquisition and Control
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