Osram GR8 Twin Tube Shape CFL Bulb, 16 W, 2700K, Extra Warm White Colour Tone

The OSRAM CFL SQUARE lamps are slim compact fluorescent lamps. The square shape provides uniform distribution of light, with no shadows at either end and no dark patches. These CFL lamps are ideal for low-profile wall and ceiling light fittings.
The OSRAM CFL SQUARE lamps have a 2-pin GR8 base.

Square shape provides uniform distribution of light
No shadows at either end and no dark patches
Extremely low profile
Very economical
Good quality of light
Long service life
Single ended 2-pin plug-in GR8 base
Suitable for operation on conventional control gear

Not suited for emergency systems or DC operation

Compact Fluorescent Lamps

Energy saving of typically 75-80% when compared to GLS lamps of a comparable light output
Long life, 10000 hours typically, which equates to lower maintenance costs
2-pin versions have integral starters and should only be used with switch start ballasts
4-pin versions are designed primarily for use with high frequency ballasts or in emergency lighting applications
Triphosphor coatings give good colour rendition: Ra 80 to 89
Choice of colour temperatures

Please note that some types of lamps are inter-changeable, as long
as lamps of similar characteristics are used. These are:

Philips PL-L and GE Biax L
Philips PL-S (2pin), Osram Dulux S and GE Biax S
Philips PL-S (4pin), Osram Dulux S (4pin) and GE Biax S/E
Philips PL-C (2pin), Osram Dulux D and GE Biax D
Philips PL-C (4pin), Osram Dulux D (4pin) and GE Biax D/E