Lighting-Gallery.net - Light bulbs (Lamps)/Philips Master TL5 HE 21W/840 Poland lamp that I bought from Erco to my 21W T5 fixture
Osram L 8W/830 - ADLSupply.com
T5 21W/840 G5 - Philips - Proflamps
PHILIPS ESSENTIAL 21W T5 FLUORESCENT TUBE [2700K/3000K/4000K/6500K] PHILIPS LIGHTING PHILIPS HID Kuala Lumpur (KL), Selangor, Malaysia Supplier, Supply, Supplies, Distributor | JLL Electrical Sdn Bhd
Philips (28840) 28w T5 Fluorescent Tube 1149mm FHE 840 4000k Cool White G5 Base | eBay
PHILIPS FLUORESCENT TUBE Essential TL5 G5 21W 927926483058 927926484058 927926486558 PHILIPS LIGHTING CONVENTIONAL TUBE Selangor, Malaysia, Kuala Lumpur (KL), Seri Kembangan Supplier, Suppliers, Supply, Supplies | E S L Lighting (M) Sdn Bhd