... loading images 
Custom Fields For All
Create any kind of custom field and display it in various ways.
Compatibility
3.xVirtuemart 3.x
Version
4.0.3Custom Filters
A powerful search and a filtering functionality for your shop.
Compatibility
3.xVirtuemart 3.x
Version
2.6.5Product Bundles
Prompt your users to buy a set of products at a discounted price instead of a single one
Compatibility
3.xVirtuemart 3.x
Version
2.3.1Stockable Custom Fields
Stockable variations of a product, using custom fields.
Compatibility
3.xVirtuemart 3.x
Version
1.5.0OUR POPULAR EXTENSIONS
Dependent Custom Fields For All
Flexible Dependent Custom fields for Virtuemart
Compatibility
3.xVirtuemart 3.x
Version
1.0.1Custom Fields For All
Advanced Custom fields for Virtuemart
Compatibility
3.xVirtuemart 3.x
Version
4.0.3Stockable Custom Fields
Stockable variations using existing custom fields
Compatibility
3.xVirtuemart 3.x
Version
1.5.0
THE LAST WORD TO OUR CUSTOMERS
Everything that i could think of about filtering is implemented in this extension and even more!
MilanIts great Value for Money. I got the deal with all of their Extensions
Daniel Schmied