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  1. 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

  2. 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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    (48 States)
    Model#: RG-50S-Ha-5nm

    Available - Ships in 2-4 Days

    $875.00

  3. 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

  4. 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

  5. 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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    (48 States)
    Model#: RG-28D-OIII-8nm

    Available - Ships in 2-4 Days

    $300.00

  6. 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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    (48 States)
    Model#: RG-50S-I

    Available - Ships in 2-4 Days

    $440.00

  7. CFW-4-5

    FLI - 5 position Color Filter Wheel for ProLine (50mm square filters)

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    (48 States)
    Model#: CFW-4-5

    Available - Ships in 2-4 Days

    $1,495.00

  8. FLI - Research Grade - 28mm Diameter SII 3nm

    FLI - Research Grade - 28mm Diameter SII 3nm

    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-3nm

    Available - Ships in 2-4 Days

    $485.00

  9. FLI - Research Grade 5nm SII Filter - 65mm Square Unmounted

    FLI - Research Grade 5nm 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-5nm

    Available - Ships in 2-4 Days

    $1,195.00

  10. CFW-1-8

    FLI - 8 position Color Filter Wheel (for 25mm Round Filters)

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    Model#: CFW-1-8-25

    Available - Ships in 2-4 Days

    Call for pricing.

    Out of stock

  11. FLI - Research Grade - 50mm Diameter SII 8nm

    FLI - Research Grade - 50mm Diameter SII 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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    (48 States)
    Model#: RG-50D-SII-8nm

    Available - Ships in 2-4 Days

    $495.00

  12. FLI - Research Grade 5.8nm H-Beta Filter - 65mm Square Unmounted

    FLI - Research Grade 5.8nm H-Beta 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-Hb-58NM

    Available - Ships in 2-4 Days

    $1,050.00

  13. FLI - Research Grade U Filter - 28mm Round Unmounted

    FLI - Research Grade U 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-U

    Available - Ships in 2-4 Days

    $200.00

  14. FLI - Research Grade U Filter - 50mm Round Unmounted

    FLI - Research Grade U 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-U

    Available - Ships in 2-4 Days

    $400.00

  15. FLI - Research Grade UBVRI Filter Set - 28mm Round Unmounted

    FLI - Research Grade UBVRI Filter Set - 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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    (48 States)
    Model#: RG-28D-UBVRI

    Available - Ships in 2-4 Days

    $1,000.00

  16. FLI - Research Grade 8nm H-Alpha Filter - 50mm Round Unmounted

    FLI - Research Grade 8nm 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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    FREE SHIPPING
    (48 States)
    Model#: RG-50D-Ha-8nm

    Available - Ships in 2-4 Days

    $495.00

  17. FLI - Research Grade 8nm SII Filter - 50mm Square Unmounted

    FLI - Research Grade 8nm SII 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-SII-8nm

    Available - Ships in 2-4 Days

    $495.00

  18. FLI - Research Grade UBVRI Filter Set - 50mm Square Unmounted

    FLI - Research Grade UBVRI Filter Set - 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-UBVRI

    Available - Ships in 2-4 Days

    $2,200.00

  19. FLI - Research Grade 3nm H-Alpha Filter - 50mm Square Unmounted

    FLI - Research Grade 3nm 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-3nm

    Available - Ships in 2-4 Days

    $1,250.00

  20. FLI - Research Grade - 28mm Diameter H-Alpha 8nm

    FLI - Research Grade - 28mm Diameter H-Alpha 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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    (48 States)
    Model#: RG-28D-Ha-8nm

    Available - Ships in 2-4 Days

    $300.00

Items 1 to 20 of 77 total

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