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Bulbrite F20T4 41K 20-Watt Linear Fluorescent T4 Bulb, 4100-Kelvin, Mini Bi-Pin Base, 20.5-Inch - Compact Fluorescent Bulbs - Amazon.com
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GoodBulb F20T4 20W 20.5 Inch T4 Fluorescent Light Bulb | 4100K Cool White Mini Bipin Base | 1300 Lumens 80 CRI 10000 Life Hours | Instant/Programmed Start | 24 Pack - - Amazon.com
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20w T4 fluorescent tube (warm white 578mm inc pins, 568mm excl pins) CHECK LENGTH CAREFULLY by Leyton Lighting product : Amazon.co.uk: Lighting
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Norman Lamps F20T4-DL 20.5 in. Daylight - Watts: 20W, Type: T4 Fluorescent Tube, Color - - Amazon.com
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