# RemoveIfNot Double

**URL:** <https://forum.dynamobim.com/t/removeifnot-double/18607>\
**Category:** Uncategorized\
**Created:** [January 30, 2018, 12:59am UTC](https://forum.dynamobim.com/t/removeifnot-double/18607 "2018-01-30T00:59:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![salvatoredragotta](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/salvatoredragotta/32/10078_2.png) [@salvatoredragotta](https://forum.dynamobim.com/u/salvatoredragotta)\
**Post date:** [January 30, 2018, 12:59am UTC](https://forum.dynamobim.com/t/removeifnot-double/18607/1 "2018-01-30T00:59:05Z")

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Hi All,

I refer to this post:

> [@Remove an Item from Sublist](https://forum.dynamobim.com/t/remove-an-item-from-sublist/18576):
>
> How to remove arcs from this sublists and get only lines out.

Does the RemoveIfNot node work with other types?

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/9/a/9abde59505b27306bbf9c0849d2fb47be9e3dba7.png)

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**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\
**Post date:** [January 30, 2018, 1:15am UTC](https://forum.dynamobim.com/t/removeifnot-double/18607/2 "2018-01-30T01:15:02Z")

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It appears to be a bit wonky… Try the other method I posted and see if that works.

 ![Remove%20if%20Not%20Double](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/9/c/9cbba4fe2f8a79f1c87287f07a541e5c084b3bd9.png)