Will these be ok to replace sunmaster sl400w.u46.dsp. part#: 10035. 400watt dual spectrum grow lamp?

Hi yes... you can replace any bulb as long as it's a 400 watts single end screwing type ..hps red spectrum or dual spectrum bulbs.

Sylvania 400w Grolux Hps Lamp | Desertcart Vanuatu

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VT15131

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Grow like a pro with the brightest spectrum boost in the game!

SPECTRUM PERFECTED - Optimized red and blue light for vibrant vegetative and flowering growth.
UNMATCHED LUMINOSITY - Illuminate your grow space with a blazing 55,000 lumens powerhouse.
PHOTOSYNTHESIS AMPLIFIED - Delivers 10% higher photosynthesis flux than standard HPS bulbs—grow smarter, not harder.
HEAT EFFICIENT BRILLIANCE - Bright, intense light with minimal heat output keeps your environment balanced.
PLUG PLAY COMPATIBILITY - Pairs seamlessly with Lumii Digita 400W Ballast for peak performance.

The Sylvania 400W Grolux HPS Lamp is a high-output horticultural lighting solution delivering 55,000 lumens with an enhanced red and blue spectrum tailored for all growth stages. Offering 10% increased photosynthesis efficiency over standard HPS bulbs, it’s engineered for greenhouse and indoor growers seeking superior plant development. Best used with a Lumii Digita 400W Ballast, this lamp combines intense PAR radiation and a 2050K color temperature to maximize crop yield while maintaining low heat emission.

Specifications

ASIN	B00DQAC4S2
Best Sellers Rank	56,052 in Lighting ( See Top 100 in Lighting ) 1,052 in Fluorescent & Neon Tubes
Customer Reviews	4.1 4.1 out of 5 stars (119)
Date First Available	6 Feb. 2012
Guaranteed software updates until	unknown
Item display weight	0.1 Kilograms
Item model number	gro-lux
Manufacturer	Hydrogarden
Part number	S400-SY58
Product Dimensions	29.21 x 4.8 x 29.21 cm; 190 g

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