Filter cotton set (sintered secondary filter + secondary air intake muffler cotton + primary filtration) for VH1

Filter Cotton Set - VH-1 Oxygen Concentrator (3-in-1: Sintered Filter + Sound-Reducing Cotton + Primary Filter)
This complete replacement filter kit is designed to maintain optimal performance and air purity for your VH-1 oxygen concentrator.
It contains:
Sintered secondary filter for filtration of fine particles
Secondary Air Intake Silencer Cotton to reduce noise and purify air
Primary filter Cotton to keep out dust and large particles
Together they ensure clean, quiet, and efficient oxygen production. Replace regularly for best results.

NB:

1. Accessories are shipped separately from the oxygen concentrator.
2. It takes about 3-6 business days to receive the oxygen concentrators;
3. Accessories are not applicable to the return and refund policy.

Before purchase:

Returns and refunds are not available for this accessory. Please read the description carefully or contact our customer service for more information.