Wyckomar RQD-438 / Emperor Aquatics EMPQ18 Replacement Quartz Sleeve

Part Number:
Varied Ship Date - Contact Us In Stock


Quartz Sleeves Overview

  • High quality, fire polished quartz sleeves
  • Wide range of diameters, wall thickness and lengths
  • Supplied with open ends or with closed test tube ends
  • Custom configurations and fabrication available upon request

Part Specifications

Inside Diameter: 22 mm
Outside Diameter: 25 mm
Length: 438 mm
Length (inches): 17.24"
End Types: Closed One End

This quartz sleeve is an equivalent replacement for the following ultraviolet products:

Brand Model
Emperor Aquatics 20318, EMPQ18
Pentair EU18, FL-QZ173-IP, 20318 
Wyckomar RL-23/436T5, RQD-438, UV-250

Disclaimer: This is an Atlantic Ultraviolet Corporation® CRYSTAL CLEAR™ brand quartz sleeve. It can be used as an equivalent replacement quartz tube for other brands.

Shipping Info

Items marked "Ready to Ship - In Stock" are ready to ship and will do so promptly. Items marked "Varied Ship Date - Contact Us" are in production, and the ship date varies. Please place order & contact us for ship date.


Part Category:
Quartz Sleeves
Cross Reference Brands B to F:
Emperor Aquatics EMPQ18
Cross Reference Brands T to Z:
Wyckomar RQD-438
Quartz End Type:
Closed One End
Quartz Inside Diameter and Outside Diameter (mm):
22 x 25
Quartz Length:
12 - 24 in. (306 - 610mm)
Part Type Equipment Brand Model / Part #
Quartz Sleeve Emperor Aquatics, Inc. EMPQ18
Quartz Sleeve Wyckomar Inc. RL-23/436T5
Quartz Sleeve Wyckomar Inc. RQD-438
Quartz Sleeve Wyckomar Inc. UV-250