Philips 434183 - 35 Watt - PAR20 Spot - Pulse Start - Metal Halide Protected Arc Tube - 3000K - ANSI C130/O - Medium Base - Universal Burn - CDM-R Elite 35W/930 E26/24 PAR20 10D 1400 Lumens They are designed to mount

They are designed to mount on 3 inch posts (not included)

The Sunlite C9/3LED/0

These bulbs have a Tuff Skin coating that prevents the glass from shattering if it breaks providing added protection

Sunlite Bullet LED T32 bulbs are the perfect replacement for metal halide

Philips 434183 - 35 Watt - PAR20 Spot - Pulse Start - Metal Halide Protected Arc Tube - 3000K - ANSI C130/O - Medium Base - Universal Burn - CDM-R Elite 35W/930 E26/24 PAR20 10D 1400 Lumens They are designed to mountPhilips MasterColor Ceramic Metal Halide PAR lamps offer a range of compact, high efficiency, ceramic metal halide reflector lamps with a stable color over lifetime and a crisp, sparkling light. Please note that metal halide lamps cannot be operated without a ballast. 88 CRI allows for accurate color rendering Crisp, 10 degree beam angle Lasts up to 15,000 hours Mercury containing products sold into the state of WA include an environmental handling