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We’ve spent hundreds of hours researching and comparing M400/U of all specifications to find the best one for any need (or budget). Here are the results.

The Best M400/U of 2020 – Top Rated & Reviewed

2,229 Reviews Scanned

Rank No. #1
Sylvania 64490 - M400/U 400 watt Metal Halide Light Bulb 2/PACK
  • 2-Pack
  • Color Temperature: 4,000K
  • Shape: ED37
  • Lumens (light output): 32000
  • Sylvania Metalarc
Rank No. #2
Sylvania 64490 - M400/U 400 watt Metal Halide Light Bulb 3/PACK
  • 3-Pack
  • Color Temperature: 4,000K
  • Shape: BT37
  • Lumens (light output): 32000
  • Sylvania Metalarc
Rank No. #3
Sylvania 64490 (4-Pack) M400/U 400-Watt Metal Halide HID Light Bulb, 4000K, 36000 Lumens, E39 Mogul Base
  • Color/Finish: Clear
  • Color Temperature: 4,000K
  • Average Lifetime: 20,000 Hours
  • Lumens (light output): 36000
  • E39 Mogul base
Rank No. #4
  • 400 Watt
  • ED37 Glass Shape
  • E39 Mogul Base
  • 4000K
Rank No. #5
Sylvania 64490 Clear Metal Halide Lamp, ED37 Mogul Screw (E39), 400W, 4000K
  • 15,000 Average Rated Hours
  • This product belongs to Lighting & Fans group
  • Item is manufactured in United States
Rank No. #9
GE 43828 400W Multi-Vapor MVR400/U M59/S R400 HID Metal Halide Light Bulb 2/PACK
  • 2-Pack
  • Bulb Shape: ED37
  • Lumens (light output): 36000
  • CRI: 65
  • Color Temperature: 4000 Kelvin
Rank No. #10
SYLVANIA 64445 - 400 Watt - BT37 - SUPER METALARC - Metal Halide - Unprotected Arc Tube - 4200K - ANSI M59/E - Horizontal Burn - MS400/HOR
  • Color/Finish: Clear
  • Color Temperature: 4,200K
  • Average Lifetime: 20000 hours
  • Lumens (light output): 39000
  • CRI: 65

Top Rated M400/U to Buy Now


Why You Should Buy Best M400/U from Amazon

Amazon is not the only store that sell M400/U. However, there are several compelling reasons why you should buy M400/U from them, with the suitable Price and Reviews. Here are five:

(1) Amazon Makes Shopping M400/U Personal

Amazon is very good at making recommendations of M400/U based on your search history. From time to time, they will even show you discounted prices on M400/U that you previously expressed an interest in. They also make your shopping experience a little easier by showing you items that you recently viewed.

(2) Amazon Checkout is Easy

Amazon checkout is easy, especially if you already have an account. You can add M400/U to your cart and go through a multi-step checkout process, or you can buy M400/U with only one click by using your stored credit card information.

(3) Amazon Has Lots of Social Proof

Before you make a purchase for M400/U, you want to know that the company you are dealing with is legitimate and that others trust the company enough to make a purchase. You may also like to read what others are saying about the product in the review section. Amazon does all of this quite well.

(4) Amazon Has Great M400/U Images and Descriptions

In addition to still images, many of Amazon’s M400/U have videos. This makes it easier for you to see exactly what you are purchasing. Amazon’s M400/U descriptions are also quite good. In many cases, Amazon repeats the descriptions furnished by the manufacturer. In other cases, they write their own.

(5) The Amazon Site is Easy to Navigate

Navigating the Amazon site is easy. Even though the site is huge, you will not feel overwhelmed when searching for M400/U. This is partly due to Amazon’s filtering process. You can search for items by brand, price or user rating. You can also search for specific features.

How to Choose the Best M400/U (with Price and Reviews)

Although most M400/U are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an M400/U:

(1) M400/U Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an M400/U should be in line with its value. You can compare M400/U reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular M400/U is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

M400/U materials differ from manufacturer to manufacturer. Consider where and how you will be using your M400/U to determine if one material would be better than another.

(4) Size

Like most products, M400/Us come in various sizes. Do you need a large M400/Uor a small one? Think about where you will use your M400/U in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

M400/Us also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your M400/U would have any effect on the efficiency of its operation.

(6) Durability

The durability of an M400/U will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of M400/U you purchase may affect its durability.

(7) Storage

Will you need to store your M400/U? If so, you should consider the size and weight of the M400/Uto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your M400/U will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an M400/U. It is hard to know exactly how an M400/U will perform until you get it home and try it out.

(9) WaThe Best M400/U of 2020 – Top Rated & Reviewedrranty

Make sure the M400/U you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.