Whirl-Pak® Speci-Sponge® Environmental Surface Sampling Bags

Swab work surfaces, equipment and animal carcasses for microorganisms including food pathogens using the Whirl-Pak Speci-Sponge Environmental Surface Sampling Bags.  

The Whirl-Pak Speci-Sponge Bag comprises of a dehydrated cellulose sponge swab packed inside an Nasco Write-On Whirl-Pak 18oz Bag. The special dry sponge is free of bactericides and has been tested to be non-inhibitory. 


  • Easy closing twist
  • Trusted puncture-proof closure tabs with new wide flat wire for a tighter seal
  • Write-on strip makes sample ID clear and keeps samples organised & traceable
  • Non-inhibitory cellulose sponge swab
  • Less expensive to ship
  • Easily transportable

To use the Whirl-Pak Speci-Sponge swab, simply aseptically add a small amount of sterile diluent to the bag to rehydrate the dry sponge. Wearing sterile gloves, aseptically remove the sponge and sample the test area. Return the sponge to the bag and close for transportation to the laboratory for testing. Both enumeration of microorganisms and the detection of pathogens can be carried out on the sample following the correct laboratory procedures.

Whirl-Pak bags can be used at temperatures up to 82°C and at any temperature down to -210°C (including liquid nitrogen temperatures). 

Whirl-Pak Speci-Sponge Environmental Surface Sampling Bags
Code: B01245WA
Capacity: 18oz (532 mL)
Dimensions: 11.5 cm x 23 cm
Pack size: 100