Pavlov Spray Collar Refills Pavlov Spray Collar Refills Universal Odourless & Citronella Collar Refills suitable for Masterplus Aboistop Spray Commander & other Dog Spray Training Collarsnbsp Suitable for all Spray training & spray bark control collars including Dynavet Masterplus Aboistop Jetcare & Petsafe spray commander collarsnbsp A Pavlov gas refill should give Approx. 200 Spraysnbsp Choice of Citronella or Odourless Refills