The Product Numbers and Sizes are as follows:

• 501-0505 Sentrex BioSponge MPD (5cm x 5cm x 1cm)

• 501-1010 Sentrex BioSponge MPD (10cm x 10cm x 1cm)

• 501-1020 Sentrex BioSponge MPD (10cm x 20cm x 1cm)

• 500-0505 Sentrex BioSponge Ultra (5cm x 5cm x 0.6cm)

• 500-1010 Sentrex BioSponge Ultra (10cm x 10cm x 0.6cm)

• 500-1020 Sentrex BioSponge Ultra (10cm x 20cm x 0.6cm)