Maintain your Hill hand pump, and it'll always be reliable. Replacing the filter is essential for proper functioning of the pump.

Micron filter replacement
Fits all Hill hand pumps
Easy to replace
Instructions:
1. Unscrew the hexagonal connector on top of the base housing (to remove pump)
2. Remove the filter from its seat in the bottom of the housing
3. Place the replacement filter into the housing
4. Replace the o-ring, if needed
5. Reattach the pump and tighten the hexagonal connector