SPX541Z1 HAYWARD ASTROLITE BULB, FLOOD 12V 300W $15.53 SPX541Z1 HAYWARD ASTROLITE BULB, FLOOD 12V 300WAlt. Part Numbers: 79101900 SPECS Dimension B: 5 in. Dimension A: 6-3/8 in. Base: R-40 Medium Volts: 12 V Watts: 300 W ***We do not accept returns on bulbs...