Delta 80W 4-pin Base Ultraviolet Lamp, 1000-2671

1000‑2671 is the correct OEM ultraviolet lamp for Delta UV / Neptune‑Benson systems — specifically the 80W, 4‑pin, single‑ended lamp used in the E‑20, ES‑20, and EP‑20 Series units

• An 80W ultraviolet germicidal lamp

• 4‑pin single‑ended (B16) base

• Used in Delta UV E‑20 / ES‑20 / EP‑20 systems

• Also cross‑referenced as 70‑18420‑S

• Length: ~35 inches (varies slightly by manufacturer)

• Wavelength: 254 nm, the optimal germicidal spectrum

This lamp is responsible for the primary disinfection in Delta UV / Neptune‑Benson residential and light‑commercial UV systems.