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  1. FLI - Research Grade 8nm H-Alpha Filter - 50mm Square Unmounted

    FLI - Research Grade 8nm H-Alpha Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50S-Ha-8nm

    Available - Ships in 2-4 Days

    $495.00

  2. FLI - Research Grade 5nm OIII Filter - 50mm Square Unmounted

    FLI - Research Grade 5nm OIII Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50S-OIII-5nm

    Available - Ships in 2-4 Days

    $875.00

  3. FLI - Research Grade UBVRI Filter Set - 65mm Square Unmounted

    FLI - Research Grade UBVRI Filter Set - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-65S-UBVRI

    Available - Ships in 2-4 Days

    $5,950.00

  4. FLI - Research Grade B Filter - 50mm Square Unmounted

    FLI - Research Grade B Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50S-B

    Available - Ships in 2-4 Days

    $440.00

  5. FLI Research Grade 28mm Diameter SII 8nm

    FLI - Research Grade - 28mm Diameter SII 5nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-28D-SII-5nm

    Available - Ships in 2-4 Days

    $460.00

  6. FLI - Research Grade 8nm SII Filter - 65mm Square Unmounted

    FLI - Research Grade 8nm SII Filter - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-65S-SII-8nm

    Available - Ships in 2-4 Days

    $915.00

  7. FLI - Research Grade 5nm H-Alpha Filter - 50mm Round Unmounted

    FLI - Research Grade 5nm H-Alpha Filter - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-Ha-5nm

    Available - Ships in 2-4 Days

    $725.00

  8. FLI - Research Grade 3nm H-Alpha Filter - 65mm Square Unmounted

    FLI - Research Grade 3nm H-Alpha Filter - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-65S-Ha-3nm

    Available - Ships in 2-4 Days

    $1,250.00

  9. FLI - High Speed Filter Wheel for 10x25mm Round Filters

    FLI - High Speed Filter Wheel for 10x25mm Round Filters

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    (48 States)
    Model#: HS-1025

    Available - Ships in 2-4 Days

    $4,895.00

  10. FLI - Research Grade 3nm H-Alpha Filter - 50mm Round Unmounted

    FLI - Research Grade 3nm H-Alpha Filter - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-Ha-3nm

    Available - Ships in 2-4 Days

    $995.00

  11. FLI - Research Grade V Filter - 65mm Square Unmounted

    FLI - Research Grade V Filter - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-65S-V

    Available - Ships in 2-4 Days

    $1,100.00

  12. FLI - Research Grade I Filter - 28mm Round Unmounted

    FLI - Research Grade I Filter - 28mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-28D-I

    Available - Ships in 2-4 Days

    $200.00

  13. FLI - Research Grade V Filter - 50mm Round Unmounted

    FLI - Research Grade V Filter - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-V

    Available - Ships in 2-4 Days

    $400.00

  14. FLI - Research Grade V Filter - 28mm Round Unmounted

    FLI - Research Grade V Filter - 28mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    Model#: RG-28D-V

    Available - Ships in 2-4 Days

    $200.00

  15. FLI - Research Grade Clear Filter - 50mm Round Unmounted

    FLI - Research Grade Clear Filter - 50mm Round Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-C

    Available - Ships in 2-4 Days

    $250.00

  16. FLI - Research Grade 5nm H-Alpha Filter - 50mm Square Unmounted

    FLI - Research Grade 5nm H-Alpha Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    FREE SHIPPING
    (48 States)
    Model#: RG-50S-Ha-5nm

    Available - Ships in 2-4 Days

    $875.00

  17. FLI - Research Grade LRGB Filter Set - 65mm Square Unmounted

    FLI - Research Grade LRGB Filter Set - 65mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-65S-LRGB

    Available - Ships in 2-4 Days

    $2,595.00

  18. FLI - Research Grade 3nm OIII Filter - 50mm Square Unmounted

    FLI - Research Grade 3nm OIII Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50S-OIII-3nm

    Available - Ships in 2-4 Days

    $1,250.00

  19. FLI - Research Grade - 28mm Diameter OIII 8nm

    FLI - Research Grade - 28mm Diameter OIII 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    FREE SHIPPING
    (48 States)
    Model#: RG-28D-OIII-8nm

    Available - Ships in 2-4 Days

    $300.00

  20. FLI - Research Grade I Filter - 50mm Square Unmounted

    FLI - Research Grade I Filter - 50mm Square Unmounted

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. They offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: RG-50S-I

    Available - Ships in 2-4 Days

    $440.00

Items 1 to 20 of 77 total

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