
Safety Waste Caps & Exhaust Filters
Analytical Sales & Services offers a wide variety of Safety Waste screw caps for almost all waste containers on the market. Caps are made from polypropylene
with a secondary inner PTFE Core. As with our mobile phase caps, the 2-part design means your tubing will never be twisted and tangled when attaching
your waste cap to its waste container. Caps are available with GL45, S51/55, B53, S60/61, B83, or S90 threads configuration, and can handle flow
rates up to 500mL. All of the safety waste caps come standard with one port for an exhaust filter, and can accommodate various sized tubing.
Exhaust filters are sold separately in 3-, 6- and 12-month sizes, and come with expiry timers. Custom cap options are available, so
please let us know if you need something special.
![]() | Diagram: How Safety Waste Caps Function |
![]() | Container Thread Dimensions Guide |
![]() | Diagram: How Safety Waste Caps Function |
![]() | Container Thread Dimensions Guide |
Safety Waste Caps

Container Thread
Dimensions Guide
Dimensions Guide

Cap | AD (mm) | Note |
---|---|---|
GL32 | 31.5 | |
GL38 | 37.5 | for Wheaton and Nalgene bottles |
GL40 | 40 | for Merck bottles |
GL45 | 44.5 | |
B50 | 50 | for space saving can |
B51 | 48 | |
B53 | 53 | for Nalgene bottles and cans |
S55 | 53.5 | |
S60 | 59 | |
B63 | 62 | for Nalgene bottles and cans |
S65 | 64.5 | for KAUTEX cans |
S71 | 70 | |
GL80 | 80 | |
B83 | 88 | for Nalgene bottles and cans (approx. 13mm thread lead) |
S90 | 88 | |
S95 | 94 |
Note: All dimensions could very +/- 0.5mm depending on the manufacturer.
Collapse


GL45 Safety Waste Caps
Our GL45 Safety Waste caps feature the standard 2-part cap design with a freely rotating inner core, and can accommodate a variety of combinations of ports for 1/8”,...
S51/55 Safety Waste Caps
Our S55 safety waste caps with a 360º rotating inner core, are for large waste containers used in Prep HPLC. These caps can accommodate barbed fittings for oversized tubing,...
B53 Safety Waste Caps
Our B53 safety waste caps are a great way to keep you your lab safe. Prevent noxious gases from escaping your waste containers; exhaust filters sold separately. Custom...
S60/61 Safety Waste Caps

B83 Safety Waste Caps
For large Nalgene waste containers, try our B83 safety waste caps. They are available with a variety of port numbers and configurations, and thanks to the 2-part cap...
S90 Safety Waste Caps

Exhaust Filters
The Canary-Safe charcoal exhaust filters contain an activated carbon, multi-component granular material which absorbs 99% of all vapor and particulate materials evaporating...