Based on this product's specifications, here are some alternatives and similar models
Vacuum pre-filter front inlet JETtools for Dyson V6 V7 V8 DC58 DC59 DC61 DC62
Summary description:
JETtools pre-filter with front inlet designed for compatible Dyson cordless vacuum models V6, V7, V8 and models DC58, DC59, DC61, DC62. Serves as a replacement inlet-side filter to capture dust and protect motor and main filter, helping maintain suction performance. Suitable for routine filter maintenance and part replacement in household cordless vacuums.