Philips Lighting G23 Twin Tube Shape CFL Bulb, 11 W, 4000K, Cool White Colour Tone

This range of fluorescent tubes forms part of the compact fluorescent non-integrated family of lamps. These lamps consist of parallel narrow fluorescent tubes welded together near the ends and a two or four pin base with a housing that incorporates the special instant starter and capacitor, these lamps operate in conventional ballasts. The PL-S lamps are ideal in applications such as Hotels, Restaurants, homes, theatres, signs, corridors, security and orientation lighting.

Single-loop style compact fluorescent lamps
2-pin G23 cap PL-S and Biax S

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