Sunmaster 315W CMH Full Nova 4K Lamp - 315 W - PGZX18 Base

Balanced-Spectrum Light for Vegetative Growth and Flowering - 315 W

A tired or mismatched bulb leaves your canopy with uneven light. This ceramic metal halide lamp gives a 315W CMH fixture a fresh, balanced spectrum with added blue and red energy, and it runs on e-ballasts. It is rated at 32,500 initial lumens.

Sold individually, this single lamp suits a home grower replacing one bulb or a cultivator who wants to test the Full Nova spectrum in one fixture before changing out a whole room.

Key Features & Benefits

• 315W CMH design — fits 315W ceramic metal halide systems.
• Balanced spectrum — added blue and red energy supports both vegetative growth and flowering.
• E-ballast compatible — works with electronic ballasts.
• PGZX18 base — check that your fixture uses this base.
• One-year warranty — coverage on your purchase.

Who Should Use Sunmaster 315W CMH Full Nova 4K

Indoor growers and commercial cultivators running 315W CMH fixtures with a compatible ballast, in any stage from vegetative growth to flowering.

About Sunmaster 315W CMH Full Nova 4K

Sunmaster makes this 315W ceramic metal halide lamp with a PGZX18 base. It is rated at 32,500 initial lumens and measures 9.5 x 9.5 x 2.5 in as packaged, and it ships at 0.5 lb.

Frequently Asked Questions

Q: What fixtures does this lamp fit?
A: It is made for 315W CMH fixtures with a PGZX18 base. Confirm your fixture's base and wattage before ordering.

Q: Does it work with an electronic ballast?
A: Yes, it is e-ballast compatible. Check your ballast is rated for 315W CMH lamps.

Q: Can I use it for both growth stages?
A: Yes. Its spectrum is intended for vegetative growth and flowering, so one lamp can serve both.

Q: What does CMH mean?
A: CMH stands for ceramic metal halide. The lamp uses a ceramic arc tube, which gives a broad, balanced spectrum.

Q: Is there a warranty?
A: Yes, the lamp carries a one-year warranty.