US$ 21.95
Particulate Pre-Filter - SR 221 pre-filter (5)
Water fill holes with screw on caps double as 360o round airport light receptacles (Light sold separately)
Nylon: Seamless nylon liner offers increased comfort
now with a new
Simultantest-Kit II Sampling Pumps & Probes Particulate Pre-Filter - SR 221
US$ 21.95
US$ 49.99
US$ 15.00
US$ 2029.50